Weevil Underwood's Decks

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Weevil uses an Insect Deck. His strategies rely on cards such as "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 Magic and Trap Cards, the ones he does use act to protect his insects or allowing him to swarm the field with them.


Duelist Kingdom

Opponent(s) Episode(s) Outcome(s)
Mako Tsunami 2 Win[Notes 1]
Rex Raptor 2 Win
Yugi Muto 4-5 Lose

During Duelist Kingdom, Weevil's Deck focused on evolving "Larvae Moth" with "Cocoon of Evolution" and using Equip Magic Cards to power up his weaker Insects.

Anime Deck - Season 1

Battle City

Opponent(s) Episode(s) Outcome(s)
Unknown Duelist 63 Win
Joey Wheeler 63-64 Lose

During Battle City, Weevil utilized "Insect Barrier", "Parasite Paracide" and "Reckless Parasite" to prevent opposing monsters from attacking, having arranged for "Parasite Paracide" to be slipped into Joey's Deck without his knowledge so he could use it against him. He further focused on his new ace card, "Insect Queen". Oddly, while Seeker was looking up duelist's rarest cards, "Great Moth" was listed despite Weevil's rarest card being "Insect Queen".

Anime Deck - Season 2

Waking the Dragons

Opponent(s) Episode(s) Outcome(s)
Gurimo 145 Lose (with Rex Raptor)
Yami Yugi 160-162 Lose

When Weevil joined Dartz, he was given "The Seal of Orichalcos" and access to almost every card ever made. He used his strategy of turning his opponent's monsters into Insects to defend with "Insect Barrier", this time using "DNA Surgery". He also uses some burn cards, and cards that further exploit his strategy of turning his opponent's monsters into Insects.

Anime Deck - Season 4

Grand Championship

Opponent(s) Episode(s) Outcome(s)
Zigfried von Schroeder 189 Lose (with Rex Raptor)
Rex Raptor 224 Not shown

Weevil was only seen Dueling once, attempting to infiltrate the Grand Championship but getting thrown out when he and Rex lost to Zigfried von Schroeder.

Anime Deck - Season 5


Duelist Kingdom Deck

Video games

Duel Monsters

In Yu-Gi-Oh! Duel Monsters, Insector Haga appears as an opponent in the Forest area of the Duelist Kingdom island. True to his character, Haga uses many of the Insect cards of the game (including many used by Haga in the manga), fortified by Forest-themed cards.

Cards Used By Haga

Duelists of the Roses

Weevil's plays an Insect Deck. Among his strategies, he equips "Petit Moth" with "Cocoon of Evolution" to evolve it to the stages "Pupa of Moth", "Larva of Moth", "Great Moth" and "Perfectly Ultimate Great Moth". To ensure that his ultimate monster can come alive, he keeps his Deck Master next to it in order to build up defenses.


Dark Duel Stories (Duel Monsters III: Tri-Holy God Advent)

In Yu-Gi-Oh! Dark Duel Stories, Weevil appears as an opponent in Battle City, as a part of the second tier of duelists. True to his character, uses an Insect deck with his new Insect Queen as his strongest card. Various monsters he used in Duelist Kingdom also return. His signature card is shown to be Javelin Beetle, despite him not using it in the game.


Reshef of Destruction

First Deck
Second Deck
Third Deck
Fourth Deck (Imposter)

Eternal Duelist Soul


Worldwide Edition: Stairway to the Destined Duel


World Championship 2004


7 Trials to Glory: World Championship Tournament 2005

Insect Removal

The Dawn of Destiny


Nightmare Troubadour


Insect Deck
Bug Swarm Deck
Bug Queen Deck

Deck Recipe

Bug Stampede

Capsule Coliseum

Ancient Forest of Origin


  1. Mako Tsunami was known to lose to either Weevil or Rex as he placed third in the Japanese Nationals.
  2. He lost this card to Joey Wheeler during episode 64.

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