Arnold Shortman | Helga G. Pataki | Students of P.S. 118: Mr. Simmons' Class, Other Students | The Adults: Part One, Part Two | Other Kids
WARNING: There are plenty of unmarked spoilers throughout (spoilers from Hey Arnold! The Jungle Movie WILL be marked as necessary), so read at your own risk.
A cousin of Arnold's (most likely from his mom's side of the family) who is disconcertingly similar, but much stranger and less attractive. Naturally, Lila falls head over heels for him.
- Ambiguous Disorder: Arnie displays several signs of ASD, particularly Asperger's Syndrome, such as odd hobbies (counting things, reading ingredient labels [along with seemingly knowing what they are and how to pronounce them]) and collections (specifically balls of lint and "plain flavored" gum), displays muted outward signs of emotion, and seems to have difficulty in social interaction. These traits lead some of the other characters to think he is "dull" and "slow."
- Bizarro Universe: The episode "Arnold Visits Arnie", in which all of the side character kids and main cast members get an eerily similar doppelganger with a completely opposite personality (with the exception of Hilda, Helga's doppelganger, who is just Helga without her Hidden Heart of Gold-hiding facade).
- Cloudcuckoolander: His hobbies include collecting lint and reading the ingredients off of packaged products.
- Country Cousin: He lives in the country in contrast to his city cousin.
- Creepy Child: Not as much as Curly but his bizarre personality makes him rather weird to most people.
- Creepy Monotone: He speaks with very little inflection, though the "creepy" is entirely up to the viewer's discretion.
- Dead Guy Junior: It's never explained how Arnie is Arnold's cousin, but Arnie is likely from somewhere on Stella's side of the family—Phil doesn't treat Arnie like his grandson, Miles (Arnold's dad) is presumably an only child and, like his city cousin, Arnie has a football-shaped head, which Arnold inherited from his mom's side of the family. Then Arnie was also named for their shared grandfather, Stella's late father.
- Informed Deformity: He's apparently so ugly that no one can bear to look at him, even though he's just an Off-Model Arnold.
- Joke Character: Reportedly a character created as an in-joke response to Off-Model animation.
- Kavorka Man: Big time. He isn't that good looking and has a very boring, creepy personality, yet Lila would rather be with him than Arnold.
- Mirror Universe: In "Arnold Visits Arnie", to some degree. That is if you believe that it isn't normal for Arnie to go Axe-Crazy on his cousin and/or want to include the character alignments of the citizens of Arnie's hometown.
- Murder the Hypotenuse: In "Arnold Visits Arnie", he tries to kill Arnold for attracting his girlfriend Lulu towards the end of the episode. It turns out it was just a dream, though.
- Nightmare Face: Arnie gets a rather creepy-looking glare that provides the image for this show's Nightmare Fuel page, also a result of the fiendish dream. Almost makes you wonder about Arnold a little...
- Oddball Doppelgänger: To Arnold. He looks similar to his cousin, but is notably more eccentric and odd-looking.
- Only One Name: His last name is not known and it's not "Shortman," because he's (presumably) from Stella's side of the family.
- Ugly Guy, Hot Wife: Arnie's less-than-attractive guy to Lila's, and later Lulu's (though this turned out to be All Just a Dream) rather pretty girl.
Rex Smythe-Higgins III
Rex Smythe-Higgins III is the grandson of Grandpa Phils rival Rex Smythe-Higgins I and is the same age as Arnold. Hes often had to complete against Arnold and is a Polishing school alumni.
- Everyone Has Standards: As much as he likes pork-chops, he does not want to eat ones from pigs that he knows personally. He is quite disturbed learning that he was about to eat someone else's pet. Thankfully, he decides to help Arnold save Abner. In addition, though you'd get the impression from the money, he's a firm believer in good sportsmanship and refuses to play dirty. He even congratulates Arnold for beating him.
- Friendly Rivalry: Despite his rivalry with Arnold, they both are on good terms, unlike their grandfathers.
- HeelFace Turn: At the end of "The Pig War" he goes against his grandfather and helps Arnold save Abner after learning the pig is Arnold's pet.
- Jerk with a Heart of Gold: He may be arrogant at times, but he doesnt like cheaters and would rather play fair in completion, "Tour de Pond". In "The Pig War", he helps Arnold save Abner from being cooked by the British Pig War team after learning that he's Arnold's pet.
- Nice Hat: A blue cap.
- Pet the Dog: Almost literally. Once he learns Abner is Arnold's pet, he's quick to compare him to his own Scottish terrier, Pepe. Later Pepe makes a cameo in "Polishing Rhonda."
- The Rival: To Arnold in a few episodes.
- Wise Beyond Their Years: Hes actually much more mature than his grandpa considering hes still a kid.
Another bully introduced in 'New Bully on the Block', explaining he was at Juvenile prison and only recently got out.
- The Bad Guy Wins: Despite Arnold's best efforts to make peace with him and Wolfgang, said bullies remain unmoved, beat up the fourth graders and maintain their control over Gerald Field.
- Big Ol' Unibrow: Only the 5,000th Hey Arnold! character to have one.
- The Bully: Like Wolfgang, Ludwig is a bully who picks on the fourth graders. Furthermore, "New Bully on the Block" was written for the express purpose of having all three Arnold's in a single episode.
- Jerkass: On a series that gave depth and humanity to many of its bullies, Ludwig exhibits basically zero redeeming qualities.
- Karma Houdini: Like Wolfgang, he gets away with bullying the fourth graders.
- One-Shot Character: Never appears again after "New Bully on the Block", possibly due to the poor reception that said episode received.
- Only One Name: And he's named after a famous musician just like Wolfgang.
- Pet the Dog: While it was mostly to get him to stop bugging him, he lets Curly get the ball for one play during the football game after Curly was begging to get it all day. It leads to Curly running off with the ball and them needing to get a new one.
- Real Men Wear Pink: He tells Arnold he has to go to his tap-dancing class when Arnold tries to arrange a meeting between him and Ludwig.
- Remember the New Guy?: Averted- Arnold vaguely remembers Ludwig, but the show acknowledges he's never been seen before by explaining he went to Juvie before the series began.
- Would Hit a Girl: He and Wolfgang beat up Helga (along with the other 4th graders) in "New Bully on the Block".
James "Jamie O" Johanssen
Ben Aaron Hoag ("Gerald Comes Over" and "Gerald Moves Out")
Phil La Marr ("Jamie O in Love" and "Gerald vs. Jamie O")
Gerald's older brother.
- '90s Hair: Has a hi-top fade like his father and brother.
- Aesop Amnesia: How many times does life have to tell him to stop being a dick to his brother before he listens?
- Aw, Look! They Really Do Love Each Other: In "Gerald vs. Jamie O", it turns out that Gerald's crush Chloe actually has a crush on Jamie O and is only hanging out with Gerald to get close to him. Jamie is both annoyed and disgusted by this and tries to tell Gerald what she's doing, but Gerald doesn't believe him and think Jamie O is just trying to "steal his girlfriend" since Jamie O has a habit of stealing Gerald's stuff.
- Big Brother Bully: Seems to exist solely to make Gerald's life miserable.
- Cassandra Truth: In "Gerald vs. Jamie O", he tries to tell Gerald that Chloe is just using him [Gerald] to get closer to him [Jamie O]. Gerald then tries to fight him for stealing his girlfriend.
- Extreme Doormat: Becomes this when he begins dating, or more appropriately "slaving for", Charice, who's just using him.
- The Faceless: Although he appears in The Jungle Movie watching Arnold's video, only part of his face is shown.
- Hate Sink: A Jerk Jock Big Brother Bully. Though the episodes that focus on him show that he can be a good person when the situation calls for it.
- Jerk Jock: Mentioned that he is on the wrestling team.
- Jerk with a Heart of Gold: He occasionally shows that he does care about Gerald, such as in "Gerald vs. Jamie O", when Gerald's crush Chloe starts leading him on because she likes Jamie O. Gerald doesn't believe him when he tells him this, even trying to fight him over it. Chloe eventually confesses and Jamie O promises to start being a better brother. Unfortunately, it doesn't stick due to Status Quo Is God.
- O.O.C. Is Serious Business: "Jamie O in Love" has Jamie O suddenly start being nice to Gerald and Arnold, which freaks them out. Once they find out why (Charice), they begin taking advantage of his kindness.
- Took a Level in Jerkass: He was only slightly mean to Gerald in his first two appearances, but in his latter two appearances, he's a borderline-sociopathic bully.
- Would Hurt a Child: When Gerald tries to fight him in "Gerald vs. Jamie O", Jamie O crunches his knuckles and puts him in a headlock, almost choking him out until Chloe stops it.
An orphaned boy who lives on a stoop.
- Ax-Crazy: Constantly yells at people who pass by his stoop and has been known to get violent. Also when he cries he sounds more like he's being tortured.
- Back for the Finale: While he did make a few cameos after his debut, he makes a full-fledged return in Hey Arnold! The Jungle Movie.
- Big Ol' Unibrow: Yet another example.
- Comically Missing the Point: While he truly does appreciate Arnold helping him conquer his fear of leaving the stoop, he saw it as a means to be able to retaliate towards those who mess with him or simply pass by.
- Conveniently an Orphan: He was abandoned on his stoop as a baby, and never left it.
- Creepy Child: The kid clearly has a few screws loose.
- Doorstop Baby: According to the legend about him, he was left on the stoop as a baby and somehow grew up all by himself with no one to raise him.
- The Dreaded: At first, he has a fearful reputation. See Paper Tiger below.
- Fiery Redhead: Had reddish hair and is a raving whackjob.
- Hair-Trigger Temper: Stoop Kid is practically a walking Berserk Button when it comes to his stoop, yelling at anyone who even passes his stoop and heaven help you if you touch it.
- Paper Tiger: Stoop Kid is "all bark no bite". When everyone realizes this, they go from fearing him to openly mocking him (STOOP KID'S AFRAID TO LEAVE HIS STOOP!). That is, until Arnold gives him the courage to leave his stoop, as Harold found out the hard way.
- Only Known by Their Nickname: No one knows his real name. Stoop Kid himself probably doesn't even know his real name.
- Social Services Does Not Exist: How else could Stoop Kid stay on his stoop 24/7 without adult supervision or going to school?
- Vague Age: He's referred to as a kid, but he's clearly taller than most of the other children. It's likely that he's a teenager though.
An aspiring actress who Arnold falls in love with at the beach.
- Bare Your Midriff: Her attire leaves her navel exposed.
- Bitch in Sheep's Clothing: She only pretended to like Arnold so that she could use him to win a sandcastle competition and appear on "Babewatch." Thankfully Helga overheard Summer gloating to her boyfriend and showed Arnold her true colors before it was too late.
- Dark-Skinned Blond: Presumably due to tanning.
- Humiliation Conga: Helga exposes her to Arnold, who in turn gives her "The Reason You Suck" Speech and the two enter the sandcastle contest, winning it and reducing Summer to tears.
- Jerkass: Leading a boy on just to appear on a television show is pretty low.
- Romantic False Lead: To Arnold. She was only using him so she could be on Babewatch.
- One Head Taller: She's about the same height as Helga, who is roughly a head taller than Arnold.
- One-Shot Character: She only appears in "Summer Love."
- Only One Name: We don't know her last name.
- Who Wears Short Shorts?: The second part of her attire is a pair of shorts.
- Vague Age: Her age is never explicitly identified, but she appears to be at least a year or two older than Arnold. A book version of "Summer Love" confirms that she's around 11 or 12.
The neighborhood cool kid who befriends Arnold.
- Bitch in Sheep's Clothing: Posing as a charming "bad boy", but deep down he's nothing but a thug at heart.
- Expy: Of Fonzie, though a far jerkier version.
- Hellbent For Leather: Wears a leather jacket.
- Jerk with a Heart of Jerk: Despite his bad boy reputation, he seems to genuinely like Arnold, saving him from getting beaten up by Harold and hanging out with him...until he reveals that he was only using Arnold to help his gang break into a shop, as Arnold's football head would allow him to climb in through the transom. When Arnold refuses, he tries to force him, until help arrives to scare the gang off.
- One-Shot Character: In "Cool Jerk".
- Back for the Finale: After his sole appearance in "Benchwarmer", Tucker never appears nor is mentioned in-series again, which is odd since Tish hadn't even been introduced when he appeared and wasn't at their umpteenth wedding in "Best Man". The creators must have taken notice, as he makes an appearance in The Jungle Movie alongside his parents.
- Nepotism: Coach Wittenberg uses his pull to try and make his son the MVP, by ensuring that the other players do nothing but pass the ball to him. Too bad Tucker is a terrible free-thrower, while Arnold is a perfect shot.
- Ungrateful Bastard: Subverted. Asks Arnold to teach him how to improve his free throws, which Arnold obliges. Once his dad sees his improvement in the next game, Tucker claims that he did it all by himself, which both hurts and angers Arnold. Once he sees this, he is filled with guilt and it messes up his ability to shoot successful free throws. Tucker then fakes an injury (and tells Jack the truth) so that Arnold can make the shot. This teaches everybody the importance of teamwork, allowing them to win the game.