Tombo Tillbitty, known as Housaku Yasai in the Japanese and Italian versions, is a character appearing in the Yu-Gi-Oh! ZEXAL anime. He is a participant in the World Duel Carnival. In the English dub he speaks with a Southern United States accent. His last name is a play on the term "hillbilly."
Presumably a farmer who grows tomatoes, Tombo uses a vegetable themed-Deck and is known to play by the rules of what he calls a "Basket Rule", where the players have to eat a vegetable whenever they declare an attack.
Tombo's first appearance was outside of the bus that Anna Kaboom made her first appearance in, walking down the street and eating a carrot. He was not seen at the opening ceremony of the World Duel Carnival, but did spend his first day in the tournament collecting Heart Pieces by defeating enemies via his special method of Dueling, leaving them passed out on the ground with vegetables stuffed in their mouthes.
Dextra and Nistro were sent to investigate his Duels as they originally thought he had been inflicting bodily harm on his victims, but when Dextra tasted the "blood" of one of the victims, it turned out to be tomato juice.
When Yuma's rice ball was stolen by a passing bird, Tombo offered him and Tori some vegetables, but in return he wanted Tori to join him in creating a theme-park modeled after tomatoes (known as Tomatotopia) become the image girl for the theme park. This angered Yuma, who challenged Tombo because of his dislike of tomatoes.
In response, Tombo challenged Yuma with the Basket Rule. Yuma at first objected, but Dextra and Nistro appeared and gave their approval. At first, Yuma was unable to eat the vegetables during the Duel, making Tombo very angry. Eventually he summoned his ace monster, "Tomato King".
Finally, upon Tori's urging, Yuma was able to eat one of Tombo's tomatoes, and found that he actually liked it, making Tombo a great deal happier. Yuma went on to win the duel, and won a Heart Piece from Tombo.
Tombo was later seen among the spectators watching the final duel of the Finals between Yuma and Vetrix.
Yu-Gi-Oh! ZEXAL II
In Bronk's imagination of Yuma's and Rio's wedding Tombo was seen as one of their guests.