A Teenage Mutant Ninja Turtle and the oldest of four brothers. He and his brothers were raised and trained by Master Splinter in the sewers of New York. He has been in Central America, training to be a better ninja leader and helping the poor. He was initially on bad terms with his younger brother Raphael (the second oldest), but after Raph saved him, they became better brothers to eachother. He commonly weilds twin katana. In Central America, he is known as "The Ghost of the Jungle".