Patchy the Pirate
The host of the series' special episodes. He is a live-action pirate portrayed by Tom Kenny, the voice of SpongeBob. He is the president of the fictional SpongeBob fan club.
- Berserk Button: He goes ballistic when he thinks the Spongebob Lost Episode was nothing but a bunch of cheap walk cycles.
- The Bus Came Back: He returns in "Feral Friends" after years of only appearing in commercials and in stop-motion form ("It's a SpongeBob Christmas!").
- Butt-Monkey: He gets a lot of misfortunes in the segments featuring him.
- The Chew Toy: If something bad happens during his segments, it's usually him it'll happen to.
- Dressed to Plunder: Wears the typical parts of a pirate costume, though he doesn't really do any actual plundering.
- Excited Kids' Show Host: Especially since he's played by Tom Kenny.
- Fanboy: He's the president of the SpongeBob fan club.
- Manchild: He's a fully-grown man who's more obsessed with SpongeBob than most of the kids watching the show could ever be.
- The Pirates Who Don't Do Anything: Despite being a pirate, we never see him doing any actual looting or plundering.
- Pirate Parrot: Has an obnoxious parrot on his shoulder named Potty.
- Tantrum Throwing: In the Lost Episode, he starts crying and throwing all his SpongeBob merchandise away when he thinks SpongeBob betrayed him.
- Talk Like a Pirate: The accent and outfit go along well with it.
- This Loser Is You: He's an immature fanboy who has no life outside of SpongeBob. Nothing ever goes right for him, and Potty only seems to hang around him to make wisecracks at his expense. Even the narrator calls him a loser at the end of The Lost Episode.
- Token Human: Notably the only recurring character who is a live-action person.
Potty the Parrot
Patchy's obnoxious, wisecracking pet parrot who is depicted as a crudely-made marionette puppet with very obvious strings and googly eyes.
- Ambiguous Gender: Potty lays an egg in "The Sponge Who Could Fly," is referred to as her and she in the tie-in chapter books, and has a name that parodies Polly (a female name). However, Patchy says his when referring to Potty's voice in "Friend or Foe," and gender pronouns are never used for the character elsewhere. In 2017, showrunner Vincent Waller confirmed in in a tweet that "it is only a puppet, with no tell tale signs of gender."
- Bratty Half-Pint: An obnoxious parrot that messes with Patchy's show.
- Deadpan Snarker: He often snarks at Patchy's mishaps.
- Hypercompetent Sidekick: Although everyone's hypercompetent compared to Patchy.
- Polly Wants a Microphone: Like most parrots in fiction, Potty is able to speak instead of just mimicking what other people say.
- Small, Annoying Creature: Potty constantly annoys Patchy and seems to enjoy it.
- Snarky Nonhuman Sidekick: Or, as Patchy refers to him, his "less-than-amusing sidekick".
- Stylistic Suck: Looks like a cheap puppet that's falling apart (marionette strings are always visible) and can never change facial expressions.
- With Friends Like These...: An annoying Deadpan Snarker who loves irritating Patchy...and yet seems to be Patchy's only friend.
The French Narrator
A scuba diver with a camera who narrates episodes off-screen as if they were nature documentaries about the ocean. He is a Shout-Out to Jacques Cousteau, the famous oceanographer and filmmaker whose work was an influence on series creator Stephen Hillenburg. The episode Feral Friends marks the first time the French Narrator makes a major appearance.
- A Day in the Limelight: He plays a major role in Feral Friends where he was called by Sandy to explain the weird phenomenon that has turned her friends into actual marine lifeforms.
- Everyone Calls Him "Barkeep": He doesn't have a real name, and is solely known as the French Narrator.
- Mock Cousteau: Very clearly a Jacques Cousteau parody.
- No Celebrities Were Harmed: His French accent and the fact that he's narrating a show about anthropomorphic sea creatures are intended to be a reference to Jacques Cousteau.
- Verbal Tic: Tends to start his sentences with "Ah".
- The Voice: He usually only exists as a disembodied voice, but he appears physically in "No Free Rides" and "Feral Friends", where he is shown wearing a diving suit with a toque on the helmet.
SpongeBob and Patrick's favorite Superhero, who is now elderly and lives in a retirement home.
- Ambiguously Human: He certainly looks like a (cartoon) human, but he can breathe underwater, is the same size as a crab, and has superpowers. Also, despite his name, he doesn't seem to be one of the merfolk, given he looks nothing like the ones we see in the series.
- Cloud Cuckoolander: He has eccentric beliefs and habits. May be semi-justified as onset Alzheimer's/Dementia.
- The Cloud Cuckoolander Was Right: In "Mermaid Man and Barnacle Boy V", he refuses to order a regular Krabby Patty for Barnacle Boy on the grounds that it's too much for him to eat. Barnacle Boy interprets this both as him being condescending and too ridden with dementia to remember he's an adult, but much to his embarrassment, he has to concede the point at the end of the episode.
- Dub Name Change: As an example of the translators not getting the joke, Mermaid Man was known as "Tritón" on the first season of the Latin American dub. While Tritón is the correct way to refer to a "Mer-man", the joke was that his name was "mermaid man", as such, he was correctly named "Sireno Man" from season two onwards.
- Expy: Of Aquaman. His younger self also looks like Aquaman, and both have the ability to summon the creatures of the sea via telepathy. Storywise he's modeled after Batman - particularly, the television version.
- Fake Ultimate Hero: Of sorts. His and Barnacle Boy's heroism after becoming semi-retired is only informed. When they appear in an episode, it's usually SpongeBob and Patrick who end up saving the day. In the comics, Mermaid Man's younger self is portrayed this way, too.
- Fan Disservice: He goes around wearing a Seashell Bra on the outside of his clothing 24/7.
- Fat and Skinny: The fat to Barnacle Boy's skinny.
- Ink-Suit Actor: Looks exactly like Ernest Borgnine.
- I Was Quite a Looker: His younger self is more muscular and handsome.
- Large Ham: EVIL! EVIL!
- Leitmotif: The Lineman is his associated theme.
- Nice Guy: Is much more sympathetic and friendly to SpongeBob than his sidekick Barnacle Boy, even if he does find SpongeBob annoying. He even lets SpongeBob go "on patrol" with them for a day, to show him what being a hero is like. "For a pain in the neck, he's a pretty nice kid!"
- Old Superhero: Was retired, but became "semi-retired" thanks to SpongeBob.
- Put on a Bus: Character seemingly retired from usage following Ernest Borgnine's death. In fact it's become more common to see characters cosplay the character than the character actually appearing.
- Retired Badass: He used to be a superhero, with Barnacle Boy as his sidekick, when he was younger.
- Scatterbrained Senior: Hoo boy. If you think Patrick has a bad memory, you ain't seen nothing yet.
- Seashell Bra: Wears one over his clothes for some strange reason.
- Senior Sleep Cycle: He can even sleep with his eyes open.
- Token Human: And yet he is able to survive underwater.
- Trauma Button: Don't say the word "evil" if he's in earshot. He'll go nuts if he hears it.
Mermaid Man's sidekick, who is also elderly and lives in the same retirement home.
- Ambiguously Human: For the same reasons as Mermaid Man, it's hard to tell whether he's human or not.
- Butt-Monkey: He suffers the most out of the two.
- Deadpan Snarker: Can be sarcastic and snide, especially when it comes to SpongeBob's antics.
- Expy: His suit is modeled after the Silver Age Aqualad. Oddly, his character is more of an Expy of Robin than of Aqualad.
- Fat and Skinny: The skinny to Mermaid Man's fat.
- Gag Nose: He has a big nose, which leads to him and Squidward butting noses in "Mermaid Man and Barnacle Boy IV".
- Grumpy Old Man: He's 68 years old and he doesn't take kindly to most people.
- Hypocritical Humor: In "Mermaid Man and Barnacle Boy IV", he calls Squidward "big nose", which even prompts the latter to lampshade this.
- I Was Quite a Looker: Like Mermaid Man, he was handsome and muscular in his youth.
- Jerkass: He's noticeably more of a jerk than Mermaid Man.
- Jerk with a Heart of Gold: He may seem harsh, but he cares about Mermaid Man.
- Kid Hero All Grown-Up: He's now old enough to live in a retirement home. Still goes by Barnacle Boy though.
- Leitmotif: Like Mermaid Man, "The Lineman" is used as his theme music.
- Old Superhero: He lives in a retirement home. It doesn't get older than that.
- Put on a Bus: With Ernest Borgnine's death, it seems Barnacle Boy was retired along with him, barring the occasional cameo. In fact it's become more common to see characters cosplay the characters than the characters actually appearing. Not helping is that Tim Conway himself passed away in 2019 after being diagnosed with dementia the previous year.
- Retired Badass: He used to be Mermaid Man's sidekick when they were both younger.
- Sarcastic Devotee: He doesn't have much tolerance for Mermaid Man's obliviousness, but he still sticks up for him when the chips are down. Even when he defects to the side of evil in "Mermaid Man and Barnacle Boy V", all he really wants is some appreciation.
- Stuck in Their Shadow: He rather resents always having to play the "young ward" of a now-senile old man (who wears a bra, no less), especially when he's the much more lucid of the two. This causes him to (temporarily) join the bad guys in "Mermaid Man and Barnacle Boy V".
- Temporarily a Villain: In "Mermaid Man and Barnacle Boy V", he became a bad guy just because Mermaid Man wouldn't let him have an adult size Krabby Patty. He turned back to normal by the end of the episode though.
- Token Human: And is somehow able to breathe underwater.
The Flying Dutchman
A old pirate who died a long time ago, but instead of burying him, they used him as a window display. As a result, he never found peace and continues to haunt the seas as a ghost, often aboard his ghostly ship.
- Affably Evil: When hes not antagonizing our heroes, hes shown to be a laid back kind of guy.
- Bad is Good and Good is Bad: He shows shades of this in "The Legend of Boo-kini Bottom", as he describes Halloween as the worst holiday after describing the things he likes about it and assures SpongeBob that he is in bad hands. And then there's how SpongeBob defeats him by letting him inside his mind and frightening him with the Sugar Bowl within.
- Big Bad: He is the main villain in Revenge of the Flying Dutchman.
- Dead Guy on Display: The Dutchman himself as part of his backstory; He's been cursed to wander the seas as a restless spirit because someone decided to use the Dutchman's corpse as a clothing store mannequin.
- Depending on the Writer: He flip-flops between a morally neutral Grim Reaper figure, a sadist who enjoys scaring people and stealing their souls For the Evulz, or a scary-but-benevolent ghost.
- Dressed to Plunder: He talks and dresses like a pirate.
- Early-Bird Cameo: While his first physical appearance is in "Scaredy Pants", he made a brief appearance prior in a book Spongebob and Patrick read in "Squidward the Unfriendly Ghost".
- Even Evil Has Standards: Not only he looked surprised that Mr. Krabs was willing to sell his soul so eagerly and took the whole ordeal lightly. But he looked dumbfounded that Mr. Krabs sold his soul to other ghosts, monsters, and demons. Plus to SpongeBob because he was low on payday.
- Flying Dutchman: At least according to his backstory given in "Squidward the Unfriendly Ghost", he's forced to walk the earth forever because his body was never given a proper burial.
- Ghostly Goals: As Spongebob helpfully explains:Spongebob: When [the Flying Dutchman] died, they used his body as a window display. Now, he haunts the Seven Seas because he was never put to rest.
- Greater-Scope Villain : Despite having far fewer appearances, the Flying Dutchman is a way more powerful, dangerous and effective villain than Plankton could ever hope to be, with several episodes casting him in the role of the Grim Reaper and sometimes even Satan.
- The Grim Reaper: In "Born Again Krabs", he tries to take Mr. Krabs' soul and bring it to Davey Jones' Locker.
- Hair-Trigger Temper: He's easily angered.
- Humanoid Abomination: He is the ghost of a human pirate with vast amount of supernatural powers.
- Jerk with a Heart of Gold: Sometimes. He rewards SpongeBob and Patrick with a gold dubloon each in "Argh!" for saving him the trouble of digging up his old treasure chest, and shows SpongeBob how to tie knots (though not his shoes) in "Your Shoe's Untied".
- Karma Houdini: He often avoids punishment for his actions. Considering he's a deadly pirate ghost with supernatural powers, it's not surprising.
- Karma Houdini Warranty: SpongeBob succeeds in scaring him in "Scaredy Pants" and "The Legend of Boo-kini Bottom".
- Large Ham: Really chews up the scenery when he's being evil.
- Leitmotif: Suffers the Song Association.
- Monochrome Apparition: He's a ghost and glows sickly green.
- Nightmare Fuel Station Attendant: He's capable of transforming into all sorts of monsters, sending people down the Fly of Despair, and making odd knots.
- One-Winged Angel: The Flying Dutchman abuses the ability to take on larger and scarier forms on "Ghost Host" to the point of deconstruction.
- Our Ghosts Are Different: This one's a deadly pirate ghost who was cursed to spend eternity as a restless spirit because he never got a proper burial. He has a wide variety of supernatural powers (though he's not invincible), and his job as a ghost runs the gamut of scaring people for fun, spiriting away the souls of the dead, ruling the underworld, making unholy bargains in exchange for souls, and granting wishes that always come at a terrible price.
- Peek A Bogey Man: As he puts it in "Shanghaied!", his job is to "sail around and frighten people".
- Reality Warper and Voluntary Shapeshifting: A prime source of the Nightmare Fuel associated with him is his ability to change his appearance and his surroundings at will, especially in "Ghost Host."
- Red Eyes, Take Warning: His eyes glow red when he confronts SpongeBob over not being afraid of anything in "The Legend of Boo-kini Bottom".
- Sickly Green Glow: His body glows green.
- Your Cheating Heart: He's apparently married (although we never see his wife), because he hit on a female fish at a party, who eyed him skeptically and noticed his wedding ring.
- Your Soul Is Mine: He collects people's souls, either to take them to the afterlife or just for the hell of it.
Larry the Lobster
A handsome, muscular lobster that gets all the girls. Almost always seen at Goo Lagoon or in crowd shots.
- Amazing Technicolor Wildlife: Has the color of a boiled lobster. Justified by that he tans a lot.
- Ambiguously Related: A line of dialogue in "Spongebob on Duty" implies he was raised by a (now elderly) fish couple, though it is never elaborated on in any other episode.
- The Big Guy: He's a lifeguard with a muscular physique.
- Characterization Marches On: Early on there was some indication that Larry was intended to be portrayed as a jockish bully to Spongebob, evidenced by his appearance in Revenge of the Flying Dutchman (see Out-of-Character Moment) and lyrics in the Ripped Pants song claiming that Larry came to bully Spongebob into his ripped pants shtick. However, this never stuck, and Larry was instead characterized as Lovable Jock and all around Nice Guy.
- Charles Atlas Superpower: His training practically made him strong enough to lift 2 bleachers full of audience members.
- Chick Magnet: He's popular and gets all the girls.
- A Day in the Limelight: After years of only appearing as a side or background character, he was made the focus of a Season 9 episode, Larry's Gym.
- Jerk Jock: He had some shades of being one in early episodes, especially in "Ripped Pants", and in current episodes can still be rather condescending towards and dismissive of obvious weaklings like SpongeBob and Patrick. Otherwise, see Characterization Marches On.
- Lovable Jock: Easily the physically strongest character and one of the friendliest after SpongeBob himself.
- Naked People Are Funny: Along with SpongeBob, Patrick, Mr. Krabs, Mrs. Puff, and Pearl, he ends up naked in public when the two hours of the cycle of Neptune's Moon are over and everyone returns to their normal selves. Unlike SpongeBob and Patrick (who are not bothered by their sudden nudity) and the others (who run away in embarrassment the instant they realize they're nude), Larry promptly covers himself using a flower.
- Nice Guy: One of the nicest characters in the series.
- Only One Name: Only known as Larry the Lobster.
- Out-of-Character Moment: In the Licensed Game SpongeBob SquarePants: Revenge of the Flying Dutchman, he's weirdly hostile towards SpongeBob, telling him that being seen with him would ruin his reputation, amongst other things.
- Walking Shirtless Scene: Always seen this way.
- Cool Old Lady: In the comic "Great Grandma", she's not only a Supreme Chef, but she's a modern dance aficionado, she collects rare clarinet records, and she's a talented painter who is also skilled at making homemade paint.
- Covered in Kisses: SpongeBob gets covered with kissing marks by her on an implied regular basis.
- Hidden Depths: The comic "Great Grandma" reveals that she and Squidward have a lot of the same cultural tastes. She's even into modern dance! He's pleasantly surprised by every aspect of this and forgets his promise to not have anything to do with her immediately after.
- Out of Focus: Post-movie, borderlining on Chuck Cunningham Syndrome, as she didn't appear at all in seasons six or seven.
- Supreme Chef: Spongebob loves her cookies. In "Great Grandma", she offers to teach Squidward to make coral quiche with seaweed butter; later in the comic he stops by her house to smell her kelp casserole with extra kelp.
Harold and Margaret SquarePants
- Crazy Jealous Guy: In "New Digs", Mr. Krabs pulls down a shower curtain that Margaret is behind, thinking that it was SpongeBob, she shrieks and he apologizes repeatedly and backs off, but Harold doesn't take this well.
- Given Name Reveal: "Whelk Attack" reveals that Margaret's maiden name is "BubbleBottom".
- Good Parents: They really adore their son, even allowing him to stay at their place after he loses his home, and buying him a boatmobile after he gets his driver's license.
- Happily Married: They are always seen together and seem really happy with each other.
- Innocent Blue Eyes: Margaret has a pair, which is where SpongeBob gets his.
- Parental Obliviousness: They don't seem to realize how much of a sociopath Blackjack is or how much pain and torment he used to cause their son.
- The Pollyanna: Margaret is usually seen being cheerful and optimistic about everything, especially when compared to her husband, which is where SpongeBob probably gets is from.
- Shared Family Quirks: The book Hooray For Dads shows that SpongeBob gets his jellyfishing skills from Harold.
- So Proud of You: At the end of "Culture Shock" after SpongeBob gets a standing ovation from the audience.
- Youthful Freckles: Margaret has them, which SpongeBob inherited.
Squidward's rival from high school. Squilliam is essentially everything Squidward dreamed of being. Whereas Squidward is a middle-class jackass stuck in a dead end job and considered a joke by everyone except SpongeBob and Patrick, Squilliam is a successful, filthy stinking rich jackass beloved by all. Also, unlike Squidward, who has had a few Pet the Dog moments over the years, he appears to have no redeeming qualities whatsoever. He loves rubbing his success in Squidward's face.
- The Ace: Is way more successful compared to Squidward.
- Alpha Bastard: Apart from the fact that he's not a highschooler, he fits this trope to a T because of his arrogance and looking down on everyone else, ESPECIALLY Squidward.
- Always Someone Better: He's far more successful than Squidward ever was or will ever hope to be.
- The Bad Guy Wins: Won in "Squilliam Returns" (where Squidward's attempt to get back at Squilliam by disguising the Krusty Krab as a five-star restaurant fails), but normally his appearances are a sign Squidward will win this one.
- Big Ol' Unibrow: He has a noticeable unibrow.
- Born Lucky: He turned out to be lucky and successful, compared to Squidward.
- Dub Name Change:
- Siegbert Schnösel in the German dub.
- Hjalmar von Kalmari in the Finnish dub.
- Octavius Bläckenberg in the Swedish dub.
- Squilli Elegant in the Italian dub.
- Calamarino Elegante in the Latin-American dub.
- Eviler Than Thou: Though neither are exactly evil, he's this to Squidward. Take Squidward, add some Smug Snake and several levels in jerkassitude, and remove any redeeming qualities. That's Squilliam.
- Hate Sink: Squilliam has virtually no sympathetic qualities about him, making it all the easier for one to root for the normally jerkassy Squidward.
- Humiliation Conga: In the iconic scene of "Band Geeks", where he has a heart attack at how good Squidward's band is and is carried away on a stretcher. Gets another one at the end of "House Fancy", where he cries his eyes out over Squidward's home being deemed fancier than his.
- Jerkass: Mean, selfish, arrogant and takes great delight in rubbing his wealth and success in Squidward's face. It seems all members of his species are jerks.
- Jerk with a Heart of Jerk: Squilliam treats his friends well, though it's most likely to show off his wealth. The episode "Squlliam Returns" has him treat his friends to dinner, though they can't really eat it's so expensive, and to feign sympathy towards Squidward when he admits that he's just a cashier, ultimately rubbing his success in his face by joking that his wealth is fake and that he's also a cashier.
- Lean and Mean: He's very skinny and even more of a jerk than Squidward.
- Narcissist: Ironically, one of the only things he has in common with Squidward is how self-loving he is, and possibly with every member of his species.
- Nice to the Waiter: Inverted: for all of his intolerable dickery and arrogance, Squilliam is sincerely impressed with SpongeBob's fancy service in "Squilliam Returns" and singles him out as the most impressive part of Squidward's "fancy restaurant," complimenting SpongeBob and even trying to get his name. He hadn't counted on that being the thing to send SpongeBob out of control, though.
- Rich Bastard: He has a private jet, private yacht, private airship, private casino, etc.
- The Rival: He is Squidward's rival.
- Smug Snake: He never misses a chance to rub his success in Squidward's face.
- Villainous Breakdown: At the end of "Band Geeks", he has one. Seeing Squidward completely succeed in an absolutely epic way causes him to have a heart attack! Has another one at the end of "House Fancy" where Squidward's house being declared even fancier than his leaves Squilliam laying on the ground crying his eyes out.
Mr Krabs' mother.
- Beware the Nice Ones: See Mama Bear. Also, she was furious when she thought Plankton was just using her to get the Krabby Patty secret recipe.
- Good Parents: She seems to be a loving, fair, but firm mother to Mr. Krabs and also is willing to discipline Spongebob and Patrick on occasion.
- Larynx Dissonance: In her first two appearances, due to being voiced by Paul Tibbit.
- Mama Bear: Do not mess with her son.
- Older Than They Look: Looks about 20 years younger than she is.
- Ambiguously Human: He superficially resembles a man in some kind of costume, but when he takes his "mask" off, he appears to be headless.
- Arch-Enemy: He's the main foe of Mermaid Man and Barnacle Boy.
- Cool Mask: Subverted- that's apparently his head. And he can remove it. And still is able to talk without it somehow.
- Expy: He's a parody of Black Manta.
- Eye Beams: His only legitimate superpower. If the newscast from "Mermaid Man and Barnacle Boy V" is to be believed, he can vaporize entire houses with it.
- HeelFace Revolving Door: Seemed to pull a HeelFace Turn in his first appearance, but afterwards reverts to his evil status by the next time we see him. In his third appearance though, he preferred living a normal life, but SpongeBob got on his nerves when he didn't do anything wrong at all. Any evil he's done outside of the Bad Future amounts to Poke the Poodle in "Mermaid Man and Barnacle Boy V" or just being a villain for hire when he teamed up with Plankton.
- Human Popsicle: He was frozen in tartar sauce since Mermaid Man's prime, until SpongeBob and Patrick freed him.
- Large Ham: Especially when he's doing his Evil Laugh.
- Named After Somebody Famous: After the surrealist artist, Man Ray. And of course it's a pun on a manta ray.
- Not-So-Harmless Villain: A minor villain in the normal series, but a Bad Future where he won proved he was actually able to take over the world and turn it into a dictatorship where everyone was enslaved to his will.
- Red Eyes, Take Warning: He has red eyes, and he's evil.
- Sealed Evil in a Can: In his debut episode, he was frozen in tartar sauce until SpongeBob and Patrick accidentally thawed him out.
- Villains Out Shopping: For most of "Man Ray Returns", he tries to have some time off from villainy by renting Squidward's house. He gets back to being evil because SpongeBob and Patrick wouldn't leave him alone.
- Chuck Cunningham Syndrome: Hasn't made a prominent appearance since "The Bad Guy Club for Villains".
- Hidden Depths: Apparently he's a Paddle-ball champion with a consecutive hit score of over 5 million.
- Jagged Mouth: An asymmetrically jagged, crooked-looking mouth, with small smile lines on each end. Doesnt affect his awesome surface tension at all, though.
- They Killed Kenny Again: He gets killed in "Mermaid Man and Barnacle Boy II" and "Patrick-Man!", but reappears alive and well in later episodes. This might be because he's a bubble and presumably can reform as long as there's enough of him left to make up a new body.
- Weaksauce Weakness: Being a bubble, he can be easily put out of commission if he's popped.
- We Hardly Knew Ye: Subverted. In his debut, he is quickly killed by SpongeBob (by complete accident) less than a minute after he shows up, but is seen alive and well in his second appearance.
An obese, picky fish who was a nemesis to SpongeBob in an episode of the first season. He returned as a common patron of the Krusty Krab in season nine.
- Alliterative Name: Bubble Bass.
- Ascended Extra: Originally a minor character in Season 1, Bubble Bass has been a recurring regular since Season 9, after falling from the face of the Earth for several years, and now has far more prominence than ever before.
- Basement-Dweller: In "Moving Bubble Bass", it is revealed that he lives in his mother's basement, and when he gets fed up with his mother interrupting his fantasy talk show and making him do chores, he tricks SpongeBob and Patrick into helping him move his belongings to his grandmother's basement down the street.
- Big Eater: A fan translated his order to be a Krabby Patty with over twenty patties. Plus, he took off running when Spongebob threw a single piece of popcorn.
- The Bus Came Back: Bubble Bass first made a few appearances in Season 1, before having an 11 year absence. Since his return in Season 8, he's had numerous small roles, and even a few big ones.
- A Day in the Limelight: Subverted. Despite being the titular character of Moving Bubble Bass and the plot focusing on his move across town, the episode focuses almost entirely on Spongebob and Patricks antics, since Bubble Bass conned them into doing all the work for him.
- Demoted to Extra: He played a major role in "Pickles" and was built up as a recurring enemy of Spongebob's, but completely disappeared from the show for years, due to Plankton becoming a Breakout Villain. His return was a Wham Shot among Wham Shots. Since then, the creators seem to have realized his small cult following as he's begun to become a more recurring extra in the series. Prior to his "return", he did pop up in video games from time to time.
- Easily Forgiven: As Spongebob is an All-Loving Hero and Mr. Krabs will take money from anybody, they dont mind that Bubble Bass returns as a regular customer of the Krusty Krab and often have perfectly civil conversations with him, even though he nearly destroyed their entire business and Spongebobs mental health just to spite him.
- Evil Laugh: Lets out a bleating cackle when he thinks he's bested SpongeBob. It's almost like an evil version of SpongeBob's iconic dolphin laugh.
- Fan Disservice: Who really wanted to see his tremendous ass slowly jiggling up and down in "F.U.N."?
- Fat Bastard: He's really not very nice, nor is he fit. When he's fleeing the Krusty Krab when he's been exposed, he's wheezing as he pathetically lumber-jogs off.
- Hash House Lingo: As part of his "burger connoisseur" role, Bubble Bass is an expert in esoteric frycook terminology, and famously once orders a massive multi-decker burger using a barrage of lingo terms that Squidward can't even decipher. They're all real American frycook lingo terms, though a couple are slightly modified to make sense in an undersea setting.
- Hate Sink: Exists to be a cruel, unlikable bully, though from Season 8 onward he occasionally teams up with Spongebob against a common foe.
- Jerkass: He's this more than anything else - in his first appearance, he nearly robbed Spongebob of his self-confidence for no reason whatsoever.
- Jerk with a Heart of Jerk: In "Moving Bubble Bass", he offered SpongeBob and Patrick each a free meal from the Krusty Krab, if they helped him move out of his mother's house. By the end, despite them both helping him, he ends up eating both meals, while burping in their faces.
- Kick the Dog:
- His treatment of Spongebob was already bad, but throwing the relatively innocent Squidward (who made a crack at his obesity) around was even worse.
- When told he is sitting on a friend of Spongebob's at the movie theater, his response is to smirk and rub his ass deeper into the seat.
- Meaningful Name: Say his name repeatedly and quickly and you'll discover why the name is perfect for him.
- Pet the Dog: In "Plankton's Good Eye", he came to thank Plankton for rescuing him.
- Remember the New Guy?: Kind of; in his first appearance it's made clear he and SpongeBob know each other.
- Smug Snake: He's quite full of himself, but at the end of his debut, it turns out he's been using dirty tactics to mess with Spongebob. When he's found out and confronted for it, he immediately runs off.
- Stout Strength: He's strong enough to effortlessly push away an entire crowd of people.
- Unsatisfiable Customer: Type 4, since he was making false complaints for SpongeBob's flawless service, either for a free Krabby Patty or just to Mind Screw SpongeBob For the Lulz.
An amoeba that Plankton adopts from the animal shelter.
- The Bus Came Back: Spot returns in the aptly named Season 11 episode "Spot Returns".
- Morality Pet: To Plankton. Caring for the amoeba really brings out Plankton's nicer side.
- Your Tomcat Is Pregnant: In Spot's second appearance, it is revealed Spot can reproduce asexually when Plankton and Karen find out through an X-Ray that spot is pregnant and not fat, and the entire plot is about putting spot's amoebas under control.
Painty the Pirate
The painting of a pirate captain who appears in the show's opening.