Tetsutetsu Tetsutetsu (鉄てつ哲てつ徹てつ鐵てつ, Tetsutetsu Tetsutetsu?) | Tetsutetsu is defined by his very hot-headed and outspoken personality. He is confident, stubborn, and very straightforward in his motivations and actions. He tends to be very vocal about his intentions and has a one-track mind, often looking for the simplest solution to problems in order to solve them in the most direct manner. Tetsutetsu appears to care deeply about his peers.