- The Main Group
- General Supporting Characters
- Kanto Supporting Characters
- Johto Supporting Characters
- Hoenn Supporting Characters
- Sinnoh Supporting Characters
- Unova Supporting Characters
- Kalos Supporting Characters
- Alola Supporting Characters
Professor Philena Ivy
The local Pokémon Professor of the Orange Islands. She specializes in regional differences in Pokémon physiology.
- Fantastic Racism: She's clearly very wary of bloodliners, even calling them a threat.
A Pokémon Watcher from the Orange Islands, who occasionally does work for Pokémon Professors.
- Artist's Block: Hits a pretty bad one after his submitted works for the Pokémon Association are harshly rejected by one of the judges. Thanks to Minuetto, he manages to break through it.
- Awesomeness by Analysis: While self-admittedly not much a battler, he can hold his own pretty well, as through his experience as a watcher he's learned where Pokémon can be struck for critical hits.
- Big Brother Mentor: Becomes this to Minuetto while teaching him his tricks for Pokémon battling.
- Big Creepy-Crawlies: His Scyther and Venonat.
- Hero-Worshipper: As per canon, he's this to Samuel Oak.
- Making a Splash: His Marill, obviously.
- Nice Guy: Obviously.
A trainer from the Orange Islands, who made it to the Top 64 of the current Indigo League Conference. He tried to compete in the qualifier for the Whirl Cup, but lost to Misty.
- Adaptational Early Appearance: He appears during the Indigo League, instead of the Orange Islands.
- An Ice Person: His Poliwrath can use Ice Beam.
A female trainer from the Orange Islands, who made it to the Top 64 of the current Indigo League Conference, and plans on competing in the next Whirl Cup, having done so in the last one.
- Adaptational Early Appearance: Appears during the Indigo League, instead of the Orange Islands.
- Cuteness Proximity: She starts gushing over Misty's Wooper during their match, wishing she could have caught one for herself.
- Friendly Rivalry: Quickly forms one with Misty during the Whirl Cup Qualifier.
- Shipper on Deck: She refers to Ash and Misty as "lovers", much to the latter's embarrassment.
The Gym Leader of Kumquat Island, who specializes in double battles. Her gym also doubles as a local hotel and resort.
- Bad with the Bone: Her Marowak, obviously. This is demonstrated when it manages to inflict a serious injury on One Eye with it.
- Big Creepy-Crawlies: Has a Butterfree with regional coloration on the wings.
- Dishing Out Dirt: Her Marowak.
- Evil-Detecting Dog: Both her Alakazam and Marowak scowled at the man who the story hints at being Travis's father. Given what we see of Travis's and more kids than you can count father in the Holiday Special 2017, they were quite right to be glaring at him.
- Glamorous Single Mother: Owner of a popular luxurious hotel, so she's definitely on the well-off end of the single mothers spectrum.
- Good Parents: She makes no secret that she loves her son Travis dearly.
- Green Around the Gills: She almost throws up after One Eye eats his own damaged eye. Her face turns green as a visual indicator of her disgust.
- Green Thumb: Her Bellossom.
- Lonely Rich Kid: When she was young, she apparently didn't have any friends beside her Pokémon.
- Mind over Matter: Her Alakazam.
- One Steve Limit: Averted. She shares her name with a Ranger from Almia.
- Psychic Powers: Alakazam, of course.
- Raised by Grandparents: Since apparently her parents walked out a few years ago.
Head Gym Leader of the Orange Islands and technically its champion. He and his Dragonite have remained undefeated for years.
- The Ace: If Mabel's comments are any indication, he's never lost a battle.
- Dishing Out Dirt: His Onix.
- Fantastic Racism: He's rather wary of Bloodliners, although he isn't violent or particularly bigoted.
- Flipping the Bird: Not him but his Dragonite does this to Gurkinn after an unpleasant conversation.
- Green Thumb: His Venusaur.
- Noodle Incident: At some point as a kid, he almost got killed by a Wigglytuff.
- Our Dragons Are Different: His partner and strongest Pokemon is his Dragonite. He also captures an ill Salamence for the benefit of getting it aid.
- Our Ghosts Are Different: His Gengar.
- One Steve Limit: Averted. He has the same name as one of Hoenn's Elite Four.
- The Paralyzer: His Venusaur is skilled enough to attack a Mega Venusaur's pressure points to paralyze it.
- Poisonous Person: His Gengar and Venusaur are both part Poison-types.
- Poor, Predictable Rock: The fact that challengers have figured out his main strategy thanks to the internet is what makes him look for a new way to become stronger. Generally averted with his team though, as they possess a wide range of types and attacking moves.
- Samus Is a Girl: His Electabuzz is actually female.
An old lady who was once part of the first wave of Legendary Pokémon Trainers, and the keeper of the famous Ultimate Moves. She resides on Two Island.
- Awesomeness by Analysis: She was able to tell Red's Charizard had evolved recently with a single glance.
- Cool Old Lady: She enjoys having battles with younger trainers. That's not to say, however, that she won't call them out on things they might be doing wrong.
- Dragon Rider: Often flies on her Dragonite's back.
- Drowning My Sorrows: During Christmas, she drinks sake as she laments how much she and her friends have drifted apart over the years.
- Famed in Story: In her time, she was part of the first generation of "Legendary Trainers".
- Green Thumb: Her Meganium, able to use Frenzy Plant.
- Making a Splash: Her Feraligatr, able to use Hydro Cannon.
- Never Mess with Granny: More than capable of kicking the thugs' asses when they try to burn her house.
- Old Master: Teaches the Ultimate Moves to starter Pokémon she deems as worthy. At the end of her interlude, she decides she's going to teach them to bloodliners as well.
- Our Dragons Are Different: Her Dragonite.
- Playing with Fire: Her Typhlosion, able to use Blast Burn.
- Supporting Protagonist: She may be the title character, but the Ultima Interlude is really about Fitzdane.
A trainer who hails from Four Island, and childhood friend of Lorelei. Currently works as an agent for the Pokémon G-Men.
- Affectionate Nickname: Has one for Lorelei, "ice nymph".
- Battle Couple: With Lorelei during her interlude.
- Childhood Friend Romance: With Lorelei.
- Curtains Match the Windows: He has blue hair and blue eyes.
- Dishing Out Dirt: Has a Tyranitar.
- Dragon Rider: Uses his Charizard as a mount.
- Heroes Want Redheads: See above.
- An Ice Person: His Feraligatr knows Ice Fang.
- Making a Splash: Has a Feraligatr.
- Playing with Fire: Has a Charizard.
- Super Mode: His Tyranitar can Mega Evolve.
- Taking the Bullet: He shields Lorelei from the ice attacks from a berserk Krysta.
- Under the Mistletoe: He and Lorelei had their First Kiss this way.
- Wolverine Claws: His Feraligatr knows Dragon Claw, and his Tyranitar knows Shadow Claw.
A little girl who lives on Three Island. Her father runs the Joyful Game Corner in Two Island.
- Chekhov's Gunman: First appears when she almost bumps into Red at Two Island, then returns in a bigger role in his next stop.
- Non-Elemental: She has a pet Dunsparce.
A trainer from Six Island, whose experiences have caused him to develop a bullying streak to the point he'd brutalize his opponents under the excuse of "going all out".
- Bare-Fisted Monk: Has a Machoke.
- Big Creepy-Crawlies: Has a Scyther.
- The Bully: Was this full stop, until Red knocked some sense into him.
- Break the Haughty: On the receiving end, courtesy of Red.
- Expy: Appearance-wise, he looks a lot like Gen III/Origins Red.
- Freudian Excuse: He turned into a bully to feel better about himself when he suffered a bad losing streak.
- Hidden Depths: He's capable of reading the Regi Script in the Dotted Hole ruins.
- Irony: He was a fan of boxing and of Shinku Tajiri, and tried to take her philosophy to heart. Her son eventually would knock some sense into him and make him realize he was doing it the wrong way.
- Kick Them While They're Down: Despite having already defeated Shige's Pidgey, he ordered his Machoke to continue attacking it with Low Kick.
- Normal Fish in a Tiny Pond: He was considered a talented trainer in his hometown, which caused him to develop a bit of an ego. Unfortunately, when he started his journey, he found out the hard way there were many who were as strong or even stronger than him.
- Reformed Bully: By the 2018 Holiday Special, he's genuinely trying to become a better person.
- Shock and Awe: Has an Electabuzz.
- Sleeves Are for Wimps: He's noted to wear a sleeveless shirt.
Unsho and Shige
An old man and his grandson who live on Six Island.
The elder of Agate Village and its protector.
- Didn't Think This Through: He was planning on getting Ho-Oh flames for the Christmas candles... from Ho-Oh itself. This prompted his wife to pull him by the ear.
- Famed in Story: Of course.
- Henpecked Husband: More or less.
- Old Master: Even Giovanni wants to avoid taking him on.
- Shock and Awe: Is known to own a very powerful Pikachu.
- Lethal Chef: At least with her famous Purple Surprise Cookies.
- Only Sane Woman: Compared to her husband, at least.
Eagun and Beluh's granddaughter.
- The Ghost: Has yet to make an appearance in person.
- Badass Longcoat: The blue one from Colosseum.
- Composite Character: With Chapter 26 hinting where he came from, Reset Wes appears to be his canon self at the moment, but his backstory is similar to that of the Mystery Dungeon Explorers protagonist, being an amnesiac from a bad future. Unlike said character however, he does not change species as a result.
- Early-Bird Cameo: He first appears in possible future visions in the Cynthia Gaiden and the Holiday Special.
- Easy Amnesia: He doesn't even know what a Pokémon is, according to Agrev.
- Technicolor Eyes: No, they're not red, but golden.
The local Pokémon Professor of Orre. He studies the effects of the absence of Pokémon on humans.
- The Cameo: His only appearance is a minor role during the Pokémon Professor meeting.
Leon's childhood friend, and also both granddaughter and assistant of Professor Magnolia.
- Childhood Friend: Of Leon.
- Platonic Life-Partners: She and Leon are good friends, but with no romantic interest on each other.
Current Champion of Galar, Sonia's childhood friend and Hop's older brother.
Co-Gym Leader of Circhester who specializes in Rock-type Pokémon. He's also Melony's son.
- Dishing Out Dirt: Rock-type specialist.
- Signature Mon: His partner Coalossal.
- Suspiciously Specific Denial: He claims he's visiting his old house not to see his mother, only his siblings, and his mother just might happen to be there.
Co-Gym Leader of Circhester who specializes in Ice-type Pokémon. She's also Gordie's mother.
Prof. Adalbert Hastings
One of the head researchers of the Ranger Union. He's also a friend of Prof. Oak, and they keep their friendship a secret from the public eye since its considered treason in both nations.
- Childhood Friends: With Professor Oak, when they first met in Alola many years ago.
- Child Prodigy: Invented the first version of the Capture Styler (then named the Capture Loopy-Looper) before reaching his teens.
- Death Seeker: Briefly, he was about to pull a You Shall Not Pass! and let himself get mauled to death by wild Pokémon on Faraway Island, feeling guilty over his Capture Styler being used as a weapon for war and the deaths of hundreds.
- Gadgeteer Genius: He invented the Capture Styler, and eventually became Chief of Technology for the Ranger Union.
- Named by the Adaptation: He's given the first name "Adalbert".
The leader of the Ringtown Pokémon Ranger base. A friend of Wicke.
- Blow You Away: His Fearow.
- The Leader: Of Ringtown's Ranger base.
- Making a Splash: Gains a Mudkip as an additional Partner Pokemon.
- One Steve Limit: Averted. Shares name with one of the Battle Frontier Brains.
- You Gotta Have Blue Hair: Green in his case.
A Ranger from Fall City.
- One Steve Limit: Averted. Shares her name with the famous Kalosian Pokémon Performer.
A former veteran of the last Trainer-Ranger war, and retired Top Ranger. After being stranded on a deserted island with a Trainer named Leeroy, he came to understand and embrace the Trainer philosophy of "growing stronger together with Pokémon", and helped spread Mega Evolution across the Ranger Union.
- Alliterative Name: Jenkins Jackrum. He shares this with his daughter and granddaughter.
- Blow You Away: Eventually got himself a Pidgeot partner on the island.
- Death Glare: He's very good at these.
- Fire-Forged Friends: Became this with Leeroy in order to survive.
- Instant Expert: Masters Mega Evolution moments after being told how it works from Leeroy, with a Pokemon he just befriended no less!
- Papa Wolf: When his daughter Jolanka got pregnant out of wedlock, he glared down anybody who criticized her life choices. And when Aria said that Jenkins would feed them to his Pidgeot if they kicked his granddaughter out just because she was Bloodliner, she was only partly joking.
- Parental Substitute: In the absence of her actual father, Jenkins fulfilled the role of fatherly figure for Jane.
- Retired Badass: He's this by the present time, though during Jane Jackrum Interlude, he came out of retirement.
- Sole Survivor: The only member of his crew to make it out alive of the Gyarados attack.
- Super Mode: Learned from Leeroy how to use Mega Evolution with his Pidgeot.
A citizen of Almia, daughter of Jenkins and mother of Jane.
- Alliterative Name: Jolanka Jackrum. She shares this with her father and daughter.
- Good Parents: Loves her daughter dearly.
A Ranger and Flying-Type Pókemon researcher working for Professor Hastings.
- Adaptational Nationality: She was from Sinnoh in canon, here she's Almian.
- Ascended Extra: Was just a character of the day in canon.
- Fire-Forged Friends: With the Staraptor she healed.
The local Ranger leader of Vientown.
- Bare-Fisted Monk: His Makuhita. It later evolves into Hariyama.
- The Big Guy: For the Rangers.
- Dynamic Entry: Smashes through two Cipher Peons with his massive frame and knocks them both out.
One of the Rangers assigned to Vientown.
Another Ranger assigned to Vientown
- One Steve Limit: Averted. Has the same name as the Orange Islands Gym Leader Luana.
A Top Ranger under the Ranger Union.
- The Ace: Is a Top Ranger.
- Nice Hat: Has one like in canon.
- Shock and Awe: His signature Luxray.
- Shut Up, Hannibal!: When the captured Cipher grunts call Jane an abomination because she was a Bloodliner, he shuts them up by pointing out that because of what they do to Pokemon, they're the biggest scum on the planet and have no right to call anyone an abomination.
Another Top Ranger. Wendy is known for flying around on her Staraptor more than other Rangers tend to do.
- The Ace: Is a Top Ranger.
- Hate at First Sight: Not her but her Staraptor, who takes an immediate dislike towards Rosebay's own out of territorial disputes.
- Noodle Incident: The thing with the Muk that Sven finds amusing.
The top authority of the Ranger Union, and a friend of Professor Hastings.
- Cool Old Lady: The elderly leader of the Ranger Union and is well respected.
- Reasonable Authority Figure: Won't tolerate needless bigotry against Bloodliners.
A Ranger in Training.
- MuggleMage Romance: Knows Kate is a Bloodliner, and is dating her anyway.
A Ranger from Oblivia. Husband of Leanne and father of Nema.
An archaeologist from Oblivia. Wife of Rand and mother of Nema.
- Super Mode: As a result of her work, she finds a lot of Key and Mega Stones which can be distributed to Rangers with compatible Pokemon.
Adalbert Hastings' older brother, and a ship captain. Was responsible for taking Oak and Hastings to Faraway Island so they could get to develop Project Coexistence.
- Secret Keeper: He's aware of the friendship between his brother and Professor Oak and their research together.
The ruling Duchess of Rota, who resides in Cameran Palace.
- The High Queen: A Duchess this time around, but she's very much loved by her subjects.
- Ms. Exposition:
- She's the one who explains Ash and Misty (as well as the readers) about the different types of bloodlines that exist in the new reality. She also declares that Ash is the "heir of Sir Aaron", strongly implying that Ash is his descendant.
- She also explained to the Laramies about Lara's status as a Rapidash Bloodliner when Lara accidentally used Flame Charge while in Rota.
- Pals with Jesus: Is on speaking terms with the Mew of the Tree of Life.
- Proper Lady: As expected from a Duchess.
A legendary hero of Rota, who studied bloodliners extensively during his lifetime. He was a Lucario bloodliner.
- Aura Vision: Can use aura to perceive his surroundings in many ways, and even to identify bloodliners from normal humans.
- Bare-Fisted Monk: Part Fighting-type, due to being a Lucario Bloodliner.
- Extra-ore-dinary: Part Steel-type, due to being a Lucario Bloodliner.
- Dodge the Bullet: Can use Detect.
- Famous Ancestor: To Ash, Delia, and Delia's father.
- Hand Blast: Uses Dark Pulse this way.
- Kame Hame Hadoken: Can use Aura Sphere and Shadow Ball.
- Hero of Another Story: Obviously.
- Heroic Lineage: See above.
- Interclass Romance: He was a distinguished knight (implied to be of noble birth), while his lover Hanako was a humble villager.
- MuggleMage Romance: With Hanako, as she was a normal human (if stronger than the average woman) while he was a Bloodliner.
- Power Palms: Can use Force Palm.
- Samaritan Relationship Starter: He met his future lover Hanako when she nursed him to health after he caught a fever outbreak.
- Simple Staff: Uses Bone Rush to fight this way.