Kotetsu T. Kaburagi from Tiger and Bunny HD Wallpaper

An anime illustration shows a man with spiky brown and grey hair, yellow eyes, and a slight smile. He is wearing a green shirt, a vest, and a tie, and is holding a cap in his left hand. His right hand is resting on his chin, and he wears a black studded bracelet on his wrist. The background is plain white.