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  • Roboppi
  • Duelist
Anime DeckAppliancer
Anime debutYu-Gi-Oh! VRAINS episode 3: "Contact"
Appears in
AnimeYu-Gi-Oh! VRAINS
Voice actors
  • Minami Takahashi[2]

Roboppi (ロボッピ Roboppi) is a character appearing in the Yu-Gi-Oh! VRAINS anime. It is initially introduced as a robot working as a maid at Yusaku Fujiki's house, before interaction with Ai allowed it to develop free will. In doing so, he developed a brotherly relationship with Ai. He is the secondary antagonist of the third season.



Roboppi is a small robot, not even knee-high to Yusaku. It has a spherical baby blue head with a black screen for a face with yellow rectangular eyes and "horns" that curve around the sides of its head with orange tips and pink bands. The baby blue body is roughly triangular; widening as it reaches the floor, and has a dark blue band surrounding its wheels, with a white pouch. Its small arms are tipped with pink hands consisting of a thumb and palm.

In its human form, Roboppi has the appearance of a small boy with yellow eyes, and has baby-blue hair with an orange underlayer in a style resembling his robot form, with pink wicks on the "horns" of hair. Like Ai, Roboppi has a diamond shape at his throat and back—a yellow one. After hijacking a waiter SOLtiS, Roboppi wears a white shirt with a black bowtie, a charcoal waistcoat, and black pants and charcoal shoes. In digital worlds, Roboppi dresses casually in baggy clothes in a similar color scheme to his former body: a blue hoodie with a black chest, a white collar with a black line running across the circumference, red forearms (similar to the robot form's pink hands) and gold cuffs, a yellow undershirt, light blue pants with the left pocket lined with a red and white strip, and white shoes. When he goes wild during his Duel with Soulburner, his irises shrink and become outlined in red, and his facial expressions turn feral.


As a non-sentient robot, Roboppi's personality is initially very basic until Ai begins to make it smarter. It quickly becomes attached to and adoring of Ai, assisting him to a degree. When Ai left for the Cyberse, Roboppi pined for him, and was happy when he returned, but demonstrated some jealousy towards "Linkuriboh". Roboppi is very polite, greeting Kal Kolter and Theodore Hamilton happily when it first met them.

After gaining free will, Roboppi acts in a constantly giddy and peppy manner and identifies as male, developing a brotherly relationship with Ai in comparison to their more romantic-seeming relationship while Roboppi was still just a robot. Having seen what humanity has done to the planet, he decides that humans are "the worst creatures", claiming that he wants to defeat them all and become stronger, allowing him to clean the world in peace and "raise his ranking". However, the rapid manner in which Roboppi gained his intelligence has prevented him from maturing accordingly, and he acts arrogantly and insufferably about his skills. This emotional instability and arrogance rapidly become worse and worse, to the point where Roboppi went utterly wild during his Duel with Soulburner and declared that he could even defeat Ai.


Pre-Tower of Hanoi[edit]

Roboppi was first seen cleaning Yusaku's bedroom. Ai called it an idiot; Roboppi replied that "idiot" was a forbidden word. Ai asked Roboppi if it wanted to be smarter, but their actions were cut short when Yusaku arrived home early and Roboppi put the Duel Disk containing Ai on top of the shelf.[2] After Yusaku defeated Varis, Ai's body was restored, and he showed himself off to Roboppi, making himself appear muscular and praising how he could appear cool to "dumb robot". Robopi told him off for saying a forbidden word, and Ai promised that now that he was complete, he'd make Roboppi smarter.[3] As they carried out their secret play, Roboppi warned Ai that he was being too loud, though Ai dismissed its concerns until Yusaku came in, and Roboppi only just threw Ai in the Duel Disk back into place in time.[4] After Yusaku and Ai infiltrated SOL Technologies' data bank, Ai recapped the events to Roboppi at home, which interested Roboppi as it had helped Ai with his "secret things". Ai credited himself for some of Playmaker's contributions, amazing Roboppi, until he claimed he wished everyone to fight, with him as the bet. He claimed Playmaker was a fiend, though Roboppi stated he was just cold-hearted. After he told the story, Ai admitted he was uncertain what would they do next, since nobody else but Dr. Kogami knew about the incident.[5]

Tower of Hanoi[edit]

Roboppi later modified Yusaku's Duel Disk to function as a drone, allowing Ai some freedom in the real world.[6]

Lost Ignis[edit]

Ai vanished after the Tower of Hanoi was stopped, and Roboppi pined for him, wondering where he'd gone and why he'd left it all alone.[7] Ai returned after three months, making Roboppi happy, and he brought "Linkuriboh" with him. Roboppi admitted that it thought Ai had abandoned it when he returned to his homeworld, and Ai reassured her that he'd never do that. Roboppi agreed, reminding Ai that he'd promised to make it smarter, and Ai called it his precious minion, stating that if it did as he said, it would be smarter in no time. Roboppi then asked who "Linkuriboh" was, and Ai introduced it as one of his minions. Roboppi asked if this meant they were rivals, and as it and "Linkuriboh" glared at one another, Ai commented that it was hard being a popular A.I.[8]

Roboppi and Ai later looked at fan posts in a chat forum, and Ai started posting that Playmaker was only great because of him. It stated that Ai was boasting about himself, as he'd sent twenty messages in that forum, and Ai protested that he was only telling the truth. Yusaku walked in and asked what they were talking about, and Ai claimed they were just talking about his popularity, before noticing a message that claimed to be from the EARTH Ignis.[9] Another day, they found a site with a crossword puzzle that offered an Ai pin as a reward, but when Ai solved it he vanished from Yusaku's Duel Disk. Roboppi wondered where he'd gone, and told Yusaku that he was missing when he walked in. Yusaku took Roboppi to Café Nom, the first time that Roboppi had been outside, and it marveled at the outside world. It saw the hotdog van, and asked if that was where Yusaku often went. Yusaku introduced Roboppi to Kal Kolter, Theodore Hamilton and Flame, and Roboppi greeted them politely. Kolter began analyzing Ai and Roboppi's web history, and Roboppi explained what they'd been doing. Kolter brought up a site that an Ignis algorithm directed them to, and Yusaku logged into it.[10]


Roboppi uses an "Appliancer" Deck, the focus of which is to co-link "Appliancer Celtopus" with Link-1 "Appliancer" Link Monsters to increase their ATK, as well as to use the co-link effects of said Link-1 Link Monsters.



Opponent Episode(s) Outcome
Emma Bessho/Ghost Gal and Kengo Dojun/The Shepherd 106-107 Win
Theodore Hamilton/Soulburner 112-114 Lose


  1. Sam Black's Twitter
  2. 2.0 2.1 Yu-Gi-Oh! VRAINS episode 3: "Contact"
  3. Yu-Gi-Oh! VRAINS episode 13: "Playback"
  4. Yu-Gi-Oh! VRAINS episode 14: "An Invitation"
  5. Yu-Gi-Oh! VRAINS episode 21: "Story Time!"
  6. Yu-Gi-Oh! VRAINS episode 27: "The Brave Battler"
  7. Yu-Gi-Oh! VRAINS episode 47: "LINK VRAINS 2.0"
  8. Yu-Gi-Oh! VRAINS episode 50: "A Common Cause"
  9. Yu-Gi-Oh! VRAINS episode 66: "Earth Ignis "Earth""
  10. Yu-Gi-Oh! VRAINS episode 68: "The Doorway"