Takeshi is a young boy of toddler's age who dies due to parental abuse (his mother's boyfriend beats him to death for eating his pudding). He draws a fictional hero called "Muscle Rider" before his death, and when he awakes inside Gantz's room as a participant in the game he believes that Kaze is his "Muscle Rider". To no one's surprise, he still does. By chapter 240, he discovers and uses the abilities of the suit, this includes the utilization of the "back attack", which happens to be Kaze's signature move. Despite Takeshi's small size, he is more than capable of defending himself against average opponents. Having imitated Kaze's fighting style to a "T", Takeshi manages to dispel a group of monsters that surround him, as well as injure a rather large and hideous creature that comes from the river. During the battle with Nurarihyon, Takeshi was seriously injured by a spray of pods that emerged from Nurarihyon's body during one of his many regenerative phases.