The team's anti-social bad boy, Raphael has an aggressive nature and seldom hesitates to throw the first punch. He is an intense fighter. His personality can be alternately fierce and sarcastic. He is intensely loyal to his brothers and sensei. He is good friends with Casey Jones, after having met him one night on patrol and challenging him to a fight. The two have since frequently patrolled together. Raphael wears a red mask and wields a pair of sai. He is named after Raphael Santi.