Michael Treanor (born April 17, 1979) 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.

Biography

Michael Treanor was born in Los Angeles, California on April 17, 1979. He is the youngest child of Richard Treanor and Peggy. He has a sister Erin and two brothers, Adam and Brian.

Michael has had a passion for martial arts since he was a child and trained in both Tae Kwon Do and karate. At the age of twelve he achieved a black belt. By the age of thirteen he achieved second degree black belt and it was around this time he was brought to the attention of the casting director for the first film in the 3 Ninjas quartet. By the age of sixteen Michael had advanced to a third degree black belt.

In 1992, Treanor was awarded the part of Samuel "Rocky" Douglas Jr. after he was advised to audition for the film by the casting director.

Treanor appeared in the first two recorded installments of the 3 Ninjas series, although eventually the third filmed movie (3 Ninjas Knuckle Up) was released after the second (3 Ninjas Kick Back), that was Max Elliott Slade's second film with Sean Fox and J. Evan Bonifant.

Treanor has not appeared in any films since 3 Ninjas Knuckle Up, and since leaving the acting profession he has become a psychologist in Los Angeles, California.