Mokuma

Mokuma is a parody of Mokuba Kaiba, who appears in the Tag Force series. He is the mascot of UmiumaCorp, and works for Emperor.Umiuma.

In Yu-Gi-Oh! GX Tag Force, he arrives on the island alongside Umiuma and Inoso after the player has completed the game with all seven originally available characters as a partner. He requests the player's aide in UmiumaCorp's feud with Sanzyudai Yuki. Should the player agree, he and his companions be be selected as partners for the Tag Force tournament.

Deck
In Yu-Gi-Oh! GX Tag Force, Mokuma plays a Deck focused on the Summoning of "Dark Dreadroute", known as Wicked Deck. To this effect, it includes cards such as "The Agent of Creation - Venus", "Giant Germ" and "Ultimate Offering" in order accumulate the necessary number of monsters to Tribute.