Timothy Hayes Rooney was an American actor and voice actor. He was the second son of actor Mickey Rooney and former Miss Alabama and singer, Betty Jane Rase, who performed as B.J. Baker.

Rooney suffered from a muscle disease known as dermatomyositis

His notable appearances included the films Village of the Giants and Riot on Sunset Strip, and also the TV series Maverick, Dr. Kildare, Gidget, Bewitched, Dragnet and the cartoon show Mister T, in voiceovers.

In 1964-1965, he co-starred with his father in Mickey, an ABC situation comedy about a family which operates a hotel in Newport Beach, California. He played Timmy Grady. Mickey Rooney appeared as Mickey Grady. Emmaline Henry starred as mother and wife, Nora Grady.

Rooney died at the age of fifty-nine on his father's 86th birthday.