All spoilers regarding the Super Rookies era are unmarked. New World spoilers are unmarked in character descriptions, and examples relating to the New World era can be spoiler-tagged if deemed necessary.
This is the list of all characters who appear only in the video games of One Piece.
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Treasure Battle
Rocky Hattari
Rocky Hattari
Voiced by: Kenji Nojima (JP)
A reporter for a newspaper called the Blueberry Times who likewise is a guitarist. He's the main catalyst for the game, Treasure Battle, by challenging Luffy to a round of games. He also shows up in Ocean Dreams as a cameo.
- Badass Normal: No powers but more then willing to fight strong opponents, Devil Fruit or no.
- Berserk Button: Doesn't like being teased. He gets a bit miffed when Robin does so.
- The Cameo: In Ocean Dreams
- Cool Shades: Wears a pair.
- Intrepid Reporter: Always on the move looking for a scoop.
- Improbable Weapon User: Uses his guitar as his main weapon.
- Musical Assassin: In the game his special has him set up speakers and play his guitar to stun his opponents before finishing them with a guitar bash.
- Teeth-Clenched Teamwork: Forced to team up with Bon Clay as his partner during the game. The two don't get along well.
Round the Land
Blyue
Blyue
Devil Fruit: Mini-Mini Fruit
Voiced by: Mitsuru Miyamoto (JP)
The Big Bad of One Piece Round the Land, was a member of Dorry and Brogy's crew before getting lost during a terrible storm. Not knowing the fate of his companions, he tries to use the Legend of the Blue to realize his wish, and forces the Straw Hat Pirates to help him. He also has eaten the Mini-Mini Fruit (Mini Mini no Mi, yes the same fruit Lily has), which allows him to shrink at will.
- Big Bad: The main villain of Round the Land
- Heel–Face Turn: He comes back to his senses after hearing that his captains were safe.
- Incredible Shrinking Man: Normally he's a giant, but can become human-sized at will thanks to his Devil Fruit.
Great Hidden Treasure of the Nanatsu Islands
Simon
Simon
Devil Fruit: Rustle-Rustle Fruit
The Big Bad of One Piece game Great Hidden Treasure of the Nanatsu Islands. He has eaten the Rustle-Rustle Fruit (Pasa Pasa no Mi), a Logia type that allows him to create, control, and turn into paper.
- Achilles' Heel: The Devil Fruit's biggest weakness is paint as it's a substance that humans use on paper and its not directly harmful to the paper unlike fire. Ussop used this weakness to negate Simon's immunity to fire.
- A God Am I: Is extremely self-centered and a megalomaniac, thinking he far exceeds humanity and was meant to rule over them. This delusion comes from a false thinking that he was born with his special ability rather than eating a Devil Fruit. He even dismisses Devil Fruit users as "Imperfect".
- Big Bad: The main antagonist of Great Hidden Treasure of the Nanatsu Islands.
- High-Class Glass: He wears a Monocle on his right eye.
- Man of Wealth and Taste: Wears a pure white suit with gold edges and a cape-like design. He has polished black shoes alongside having gold neck braces around his neck and a gold disk behind his head. He carries a gold book with him at all time. This gives him an appearance of a Gentleman and having a highly educated background.
- Paper Master: Thanks to his Devil Fruit, he can create, control, and turn into paper.
- Red Baron: "Simon the Divine". The epithet refers to someone who has been "Divinely Possessed" but it also comes from a pun based on his Devil Fruit power. "God" and "Paper" sound alike in Japanese from the kanji "Kami".
- Swiss-Army Superpower: He demonstrated many applications with his Devil Fruit, said applications being the primary ability of other Devil Fruits. Applications with different elements include explosions, fire, electricity, poison, paralysis, and healing. The last of which is what makes this Devil Fruit extremely good as it's the lone Logia demonstrated that allows the user to heal their injuries.
- Weak to Fire: Logically, fire can burn his paper and force him to turn solid. Simon however can negate this weakness with one of his techniques, giving him an edge over fire using opponents.
Unlimited Adventure
Popora
Popora
Voiced by: Ryō Hirohashi (JP), Carrie Savage (EN)
Secondary character of the videogame One Piece: Unlimited Adventure. He's a cute rabbit-wolf hybrid with mystical powers. He's the guardian of the Island, tasked to prevent the awakening of the Evil Guardian.
- Good All Along: At first believed to be a villain, he's eventually revealed to be a good guy.
- Really 700 Years Old: He's been guarding the island all by himself ever since the seals were applied.
- Suspiciously Similar Substitute: To Chopper, considering Poporo's backstory.
- Transferable Memory: It's never explained if it's Poporo's power or the power of the Island, but Poporo DOES communicate with people - but does so via their own memories.
Evil Guardian
Evil Guardian
Voiced by: Daisuke Gōri (JP), Christopher Sabat (EN)
The Big Bad of Unlimited Adventure. A monster created by the dark thoughts and feelings of the Island's former inhabitants. After being accidentally freed by the Straw Hats, it turns into the Evil Master Beast but is eventually destroyed for good.
- A God Am I: Originally he was only a statue of the Guardian God of the Island. After becoming alive, he convinced itself to be a real God.
- Curb-Stomp Battle: Annihilates Popora in one blow.
- Dub Name Change: Originally called "Majin" (simply Devil). His transformation's name was "Janen no Maju" (Evil Thought Demon Beast).
- Eldritch Abomination: His second form is more blatant.
- Having a Blast: Attack mostly with explosive orange energy.
- Mighty Glacier: His first form. Post transformation it becomes a Lightning Bruiser.
- One-Winged Angel: Evil Master Beast.
- Power Copying: In its second form it can use attacks copied from various characters in the series like Ace's Hiken, Eneru's El Thor and Aokiji's Ice Age.
- Sealed Evil in a Can: The Straw Hats deliberately break all his seals so that they can kick his ass for good.
- Spikes of Villainy: Evil Master Beast.
Unlimited Cruise
Gabri
Gabri
Voiced by: Rie Kugimiya (JP)
A small imp-like spirit seen in Unlimited Cruise. A loyal servant of the Great Tree, his purpose is to test the Straw Hats and turn into a present suitable for them.
- Dark Is Not Evil: Despite looking like a fiend, he's a good guy. Except when the Great Tree turns it into the Final Boss.
- Expy: Of Popora from Unlimited Adventure.
- Katanas Are Just Better: Carries around one, but is never seen using it.
- Heel–Face Turn: And manages to destroy the Demon of Doom in the process.
- Pokémon Speak: Initially. That's the very reason the Straw Hats named him Gabri, even.
Doom Guardian
Doom Guardian
Voiced by: Takashi Nagasako (JP)
A creature created from the Great Tree who judged the Straw Hats as evil after witnessing the memories of Blackbeard. Is the Final Boss of both acts of Unlimited Cruise, in the latter being present as the Demon of Doom.
- Ditto Fighter: The Demon of Doom not only use the same Power Copying gimmick of the Evil Master Beast, but can also imitate other character's fighting styles and materialize weapons out of thin air.
- Dub Name Change: His original names were "Sabaki no Ban'in" (Guardian of Judgment) and "Hoboroki no Kijin" (Demon God of Destruction).
- Energy Weapon: Can shoot them out of his shoulders.
- Expy: He's basically the same as the Evil Guardian and Evil Master Beast from the previous game Unlimited Adventure.
- Flat Character: Justified, as rather than being a creature or a sentient entity he's simply a "tool" of punishment generated by the Great Tree.
- Having a Blast: In his first form his attacks are mostly based on explosions of purple energy.
- One-Winged Angel: This time it turns into a vaguely humanoid being of darkness covered in roots.
- Robo Speak: Justified as he's more of a machine than a living creature with feelings.
Unlimited World: Red
Patrick Redfield
Patrick Redfield
Voiced by: Masachika Ichimura (JP)
Devil Fruit: Bat-Bat Fruit, Model: Vampire.
The main antagonist of the 3DS game One Piece: Unlimited World Red. He is one of the Level 6 prisoners released from Impel Down due to Blackbeard. Like Z, he was designed by Oda for the game.
- Badass Normal: Until the final battle, when he eats the Bat-Bat Fruit, Model: Vampire.
- Beard of Evil: Has a three-pronged goatee.
- Evil Old Folks: Though his powers have been reduced by his age, he is still a very formidable opponent.
- Evil Redhead: In his youth, which he briefly regains using his new Devil Fruit powers.
- Flash Step: He makes use of these a fair amount, particularly in cutscenes.
- Hidden Depths: He is brutal and vicious, but he does care for his pet companion Pato, and isn't incapable of showing respect.
- Masked Luchador: In his Vampire form: he even has a champion belt and a head bandana (similar to Zoro's) that actually becomes his mask.
- Mook Maker: Not by his own power, but Pato allows him to create clones of people with his ability. He uses this to clone the Straw Hats and their classic foes, and make them fight the real crew.
- Not So Above It All: Red actually thinks Pato and Chopper might be relatives. Even though Pato is a pen that was fed a devil fruit, hence the gold tail.
- Our Vampires Are Different: Before the Final Boss battle, he eats and attains the power of the Bat-Bat Fruit, Model: Vampire.
- Parasol of Pain: Has a Sinister Scythe in it.
- Rapid Aging: Can induce this after eating the Bat-Bat Fruit, Model: Vampire by sucking people's life force, leaving them in an old, decrepit shriveled state. Yadoya and Luffy can attest to that.
- Red Baron: "The Red Count", "Red".
- Touch Telepathy: His strong Observational Haki allows him to do this.
- Worthy Opponent: Eventually sees Luffy and the Straw Hats as one.
- Vampiric Draining: How his devil fruit works. He doesn't have to actually bite the characters to drain them of their youth - he can just hold them at arms reach and drain them via just touching them.
- You Are Not Alone: Spends most of the game going through this character development - he was infamous for being able to do things on his own that shouldn't have been possible for just one man, so Pato spends most of the game trying to get through to him that he doesn't need to cast him aside as a "tool" - He'll be there for him as a comrade and help him get past the hurdles of old age as they come
World Seeker
Isaac
Isaac
Voiced by: Rikiya Koyama (JP)
Main antagonist of World Seeker. A scientist and former Marine who wardens over Prison Island.
- Cain and Abel: It's eventually revealed he's Jeanne's brother with the two being at odds with each other.
- Cool Shades: Wears a pair.
- Cyborg: Has metal implants over his body.
- Detachment Combat: Can separate his arms to hit his opponents from different angles.
- Final Boss: Naturally he's the last boss faced in the game.
- Flash Step: Apparently can use Geppou as he manages to dash around Luffy in their first encounter.
- Heroic Sacrifice: In the end he stays behind on his floating fortress to keep the unstable Dyna Stones from crashing into Prison Island while he throws Luffy off of it and puts Jeanna in his armor and has it fly off despite her pleas. However Jeanne feels he survived. "Episode Sabo" seems to imply that he indeed did as Sabo gets a report of the revolutionaries "saving someone" after Issac Dyna-Stone ship explodes.
- Lantern Jaw of Justice: Has one but is zig-zagged. He used to work for the Marine but is the bad guy of this game.
- Man of Kryptonite: His arms are made of Sea Stone which drain Luffy of his strength when he managed to grab him in their first encounter.
- Mirror Character: He forms a bond with Sabo as both their actions are doing it to help their siblings. Sabo to Luffy and Issac to Jeanne. So much so that Issac saves Sabo from the poison gas Lucci tries to inflict on them and Sabo returns the favor later with the implication the Revolutionaries saved Issac after his plan failed at the behest of Sabo.
- Revenge: Has a major grudge against the World Government whom he blames for the death of his mother due to an accident with the Dyna Stone that she was researching for them. Thus he manipulates the WG into helping excavates Dyna Stones around the island and set them into bombs with the plan of firing them on Mariejois to take them out.
- Powered Armor: Uses one in his final encounter with Luffy.
- Rocket Punch: Can use his arms as a projectile if needed.
- Shock and Awe: Able to generate electricity through his body.
- Villainous Breakdown: As the final battle draws on and Luffy keeps coming at him, he starts to get more frustrated. Culminating when Luffy gives him a "The Reason You Suck" Speech over why Jeanne is stronger then him. Namely that she has moved on from her mother's death and respected her sacrifice while Issac hasn't. He doesn't take it well and goes full power with the armor.
- Well-Intentioned Extremist: Wants to use a batch of Dyna Stones to bomb Marijoes in revenge for his mother. However Jeanne doesn't approve of his methods.
Jeanne
Jeanne
Voiced by: Ayumi Fujimura (JP)
A resident of Jail Island and leader of the "Anti-Marines" seeking to the take it back from Isaac.
- Big Sister Instinct: Towards Roule, a young boy who lives in her neighborhood and regards her as a Cool Big Sis. When the Marines are on the verge of arresting Roule because of his potential knowledge about the location of the Dyna Stones, she covers for him by claiming that she's the one with that information and gets captured in his stead.
- Cain and Abel: Eventually revealed to be the younger sister of Issac with the two being at odds over Isaac's methods.
- Damsel in Distress: Gets kidnapped a few times in the game and has to be saved.
- La Résistance: Leads one against Isaac.
- Morality Pet: Tries to be one to Isaac in the hope of getting him to let go of his grudge.
Roule
Roule
Voiced by: Tomo Muranaka (JP)
A resident of Jail Island who lives in the same neighborhood as Jeanne. His deceased father made a map of the sky portions of the island, and ran afoul of the Marines in the past. Roule dreams of becoming an adventurer.
- Chekhov's Skill: Fairly early in the campaign, Law saves Roule (again) when he's falling by Shambles-ing him to safety just before he hits the ground. Roule remembers this, and uses it as part of his and Law's strategy in the final battle against Kizaru, purposely falling right in front of him so Law can switch places with Roule and strike the winning blow against Kizaru.
- Deliberately Distressed Dude: When Kizaru has him and an already-injured Law cornered, Roule becomes this to keep Kizaru from killing them by claiming that he knows where the Dyna Stones are, prompting Kizaru to capture him alive for interrogation. Roule knows that Law will show up to rescue him later, which he does with help from the Straw Hats.
- Deuteragonist: Of Law's campaign, since much of its story is driven by the past and/or present actions of Roule or his deceased father.
- Fire-Forged Friends: With Law. At first, Roule distrusts him because he's a pirate, but gradually warms up to him as Law repeatedly saves him from the sticky situations he puts himself in. Law, meanwhile, grows to respect Roule for his pluckiness (especially as it's implied that he reminds him of Luffy) and is quick to protect him whenever necessary, even going out of his way to rescue him in the final stretch of the story.
- Heroic BSoD: After Roule hears from multiple Marines that his father was a traitor, witnesses Jeanne lie to the Marines to protect him and get captured in his place, and subsequently mistakes Law's attempts to calm him down and exercise cautionnote as Law not caring about what happens to her, Roule gets one of these. He notes that he doesn't know what to believe anymore, briefly sees Law as a Broken Pedestal, and laments that his map has only hurt people he cares about before tearing it up and running off. Law manages to snap him out of it after he makes a plan with the Straw Hats for saving Jeanne and has Nami repair Roule's map.
- Hero-Worshipper: Becomes this to Law over the course of the campaign as he continuously helps Roule and other people like the Straw Hats and some civilians of the island, leading Roule to decide that he's a "good pirate". Law, for his part, tries to discourage this attitude, but Roule isn't deterred.
- Kid Sidekick / Tagalong Kid: He acts at one to Law, often even disregarding Law's orders to stay somewhere safe and following him into danger.
- Morality Pet: A downplayed one to Law; he's still a rather cold pirate who does what he needs to do to accomplish his goals, but Roule does seem to bring out his "heart of gold" qualities, and by the end of the campaign, Law goes out of his way to sneak into a Marine base and risk encountering Kizaru just to rescue him.
- Mirror Character: To Luffy; they both are similarly cheerful, positive, and passionate when talking about their dreams, love adventure and firmly believe that you have to be willing to risk your life to live an adventuring lifestyle, are very stubborn when it comes to doing what they want and refuse to be deterred (sometimes even to the point of recklessness), and don't take kindly to people disrespecting those they care about. Kuzan outright makes a comment that Roule reminds him of a particular someone else, and it's implied that these similarities are why Law takes a shine to him.
- Plot-Mandated Friendship Failure: Gets this with Law about 2/3 of the way through the campaign during his Heroic BSoD above. Thankfully, it doesn't last very long before Roule realizes that Law was always planning to save Jeanne, and simply didn't do so immediately so he could take the time to come up with a plan and recruit the Straw Hats to help him with it.
