Weevil Underwood

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Weevil Underwood
Weevil Underwood
  • Insector Haga (manga)
  • Weevil Underwood (anime)
  • July 21


  • 1.62 m
    5.315 ft
    63.78 in
    162 cm
  • 112.436 lb51 kg
  • Male
Blood type
  • A
Favorite food

Bee larva

Least favorite food

Meat dish

  • Career
Previous organization


  • Duelist
Tournament Position
Duelist Kingdom Did not place
Battle City Did not place
Grand Championship Did not place (with Rex Raptor)


Anime debut

Yu-Gi-Oh! episode 2: "The Gauntlet is Thrown"

Video game debut

Yu-Gi-Oh! Dark Duel Stories

Appears in
Game Boy Color
Game Boy Advance
Nintendo DS
PlayStation 2
Voice actors
Underwood, Weevil

Weevil Underwood, known as Insector Haga in the manga and Japanese version, develops into a rival and becomes jealous of Yugi Muto. He displays an adoration for insects, and as such his Deck is based on Insect-Type monsters. In the Singapore English dub, Weevil speaks with a Peter Lorre-esque voice.


Haga Linework

Weevil's design incorporates multiple layers of clothing and a wide range of expressions. Depicted here is the duelist in the regalia from front and rear views and alongside views of his head from different angles as well as close ups of his glasses.

Weevil's character design was overseen by Kazuki Takahashi. Weevil wears large round yellow glasses, which have an insect horn in the center to connect the lenses in season one; in the other 4 seasons, his glasses have a beetle in the middle, and holes on the legs. His Duelist Kingdom glasses magnify his eyes (or so it seems). His turquoise hair is arranged in a "Beatles' Haircut" fashion, and his eyes are blue. In the Duelist Kingdom arc, Weevil's outfit consists of a green jacket with a raised collar, a white shirt underneath, a red bow tie, brown trousers, and brown shoes. From Battle City onwards he wears a closed green jacket with a beetle pattern on the front, black shorts, and green-and-black sneakers with wing shoe laces. He carries a KaibaCorp Duel Disk on his left hand. In the Waking the Dragons arc he has a Chaos Duel Disk instead.

Weevil does not appear in the first series anime. However, his character and appearance are supposedly based off of the character Haiyama, who appeared in one episode of Season 0; they both wear yellow glasses, have colored hair, and are manipulative.



Duelist Kingdom

Pegasus Weevil Yu-Gi-Oh 002

Weevil receives his trophy from Pegasus

Weevil starts out in the series as the Duel Monsters Representative of Eastern Japan, and then National Champion of Duel Monsters (in the dub, he was Regional Champion) by defeating Rex Raptor in the final match of the National Championship. After his victory, he is invited personally by Maximillion Pegasus to travel to Duelist Kingdom to compete there.


Weevil throws Yugi's "Exodia" cards overboard

Upon meeting Yugi and his friends, he seemed a humble and respectful person, in contrast to the bold and arrogant Rex Raptor. However, he quickly revealed himself to be underhanded and sneaky (while Rex Raptor, ironically, shows decent sportsmanship and plays fairly). On the boat ride to the tournament, he confronts Yugi Muto and asks to see his set of Exodia. Upon seeing them, Weevil takes them and throws them off the boat, leaving Joey Wheeler to jump in to retrieve them. Laughing, Weevil returns to his cabin, confident that he has destroyed his major source of competition. [1] Yugi defeats him in the first duel of the tournament, [2] forcing Weevil to be the first duelist to leave the island along with the others who had been defeated in their first round. [3]

Battle City

Weevil Yu-Gi-Oh 064

Weevil dueling with Joey.

Weevil is next seen in the Battle City arc, where he duels Joey, after "paying" a boy to plant a "Parasite Paracide" card into Joey's deck. [4] Despite using this to his advantage, he loses and is forced to give Joey his rare card, "Insect Queen". As a result of losing, he is ejected from the Battle City tournament. [5]

He is later seen observing the semifinal match between Yugi and Kaiba in Domino City among other duelists.

Waking the Dragons


Weevil with a Chaos Duel Disk

In the Waking the Dragons arc, Weevil and Rex are together, having lost a great deal of their former popularity after they had been humiliated in the the Duelist Kingdom and Battle City tournaments. However, they soon meet and duel Gurimo; as a result of losing, both of them have their souls taken. They were later granted their freedom after Yugi Mutou defeated Gurimo.

The two of them follow the group until Yugi's soul is taken by Rafael after Yami Yugi loses to him. They beg Rafael to take them with him, and he grudgingly accepts their pleas. He and Alister take them to Dartz, and the two of them beg for more power to settle old scores. Dartz decides to test them by seeing if they could each grasp a piece of the Orichalcos Stone, with the penalty for failing being their souls taken again. Both of them succeed, and they improve their decks with cards from Dartz's massive collection.

Weevil then proceeds to confront Yugi and duels him, with "The Seal of Orichalcos" empowering his insects. In the end, however, Yugi wins anyway, and Weevil's soul is taken by the magic of the very Seal which he has employed. His virtually comatose body is found by Ironheart when the train on which he had previously been dueling with Yugi derails and falls off a cliff, and he is transported to a hospital. When Dartz is defeated, Weevil's soul is released from imprisonment, and he wakes up in his hospital bed in the same room as Rex, who leaves with him.

Grand Championship

Weevil and Rex's next plan was to enter the KaibaCorp Grand Championship, where they both impersonated the duelist Fortune Salim. They were quickly defeated by Zigfried von Schroeder and sent back to Japan by KaibaCorp. (In the dub, their fate after the Duel is unknown, although they were briefly seen after Yugi defeats Leon von Schroeder, possibly in Domino City, watching in disgust, indicating that they were sent back.)

Dawn of the Duel

Their last attempt at revenge was to steal Yugi's Egyptian God Cards from his house, where they mistakenly grabbed Yugi's bag containing all of his Millennium Items. Yugi tried to stop them, but couldn't catch up. Meanwhile, while examining their prize, they were attacked by Dark Bakura, who stole the Millennium Ring back from them.

In the final episode of the Japanese version of the anime, Weevil is seen Dueling Rex after yet another argument.

Yu-Gi-Oh! 5D's

In Yu-Gi-Oh! 5D's, a parody of him named Insector Hakata is listed as one the players defeated by Hunter Pace. [6]

Other appearances


Weevil uses an Insect Deck. His cards rely on "Insect Barrier" or "Cocoon of Evolution" to block opposing attacks while preparing to summon his strongest cards, "Great Moth", "Perfectly Ultimate Great Moth", and "Insect Queen". Compared to other duelists, Weevil uses few Spell and Trap cards; the ones he does use act to protect his insects or allow him to swarm the field with them.


  1. Yu-Gi-Oh! episode 3: "Journey to the Duelist Kingdom"
  2. Yu-Gi-Oh! episode 4: "Into the Hornet's Nest"
  3. Yu-Gi-Oh! episode 8: "Everything's Relative"
  4. Yu-Gi-Oh! episode 63: "Playing with a Parasite, Part 1"
  5. Yu-Gi-Oh! episode 64: "Playing with a Parasite, Part 2"
  6. Yu-Gi-Oh! 5D's episode 1: "On Your Mark, Get Set, DUEL!"

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