Cute cartoon avatar of a young martial artist ready to fight in karate white gear, with a black belt around his waist. The character has big eyes and dark brown hair styled short on top but long at the sides. He is wearing traditional Japanese karate gear with a sharp-toothed mouth and looks determined as he practices a forward rolling posture. Black background. Cartoon style with simple lines, vector graphics, 2D design. Detailed view, isolated on a pastel background in the style of a Japanese manga artist.