Weevil Underwood ' s Decks 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 Duelist s , Weevil uses few Magic and Trap Card s , the ones he does use act to protect his insects or allowing him to swarm the field with them . Anime . Duelist Kingdom . 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 Insect s . Battle City . 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 " . Waking the Dragons . 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 Insect s 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 . Grand Championship . 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 . 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 . 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 . Duel Monsters 4 : Battle of Great Duelist . In " " , Insector Haga appears as a part of the first tier of duelists . Insect Queen is once again the strongest card in his Insect deck , however , he now has more cards from Battle City , as well as Duelist Kingdom . His signature card is shown to be Javelin Beetle again , although it once again isn ' t used . 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 .