Michael Treanor is an actor and martial artist who starred in 3 Ninjas and 3 Ninjas Knuckle Up. He is the third son of Richard and Peggy Treanor.
Treanor was discovered by casting agents for 3 Ninjas in his martial arts class. After encouragement from friends and family, he auditioned for and successfully landed the role of eldest brother Rocky.
Treanor is a black belt and continues to practice as an adult. He was scheduled to portray Rocky in the 2011 cancelled film, R.O.C.K.Y.