Billy Barty (born William John Bertanzetti, October 25, 1924–December 23, 2000) was an American entertainer, athlete and social activist. He founded the Little People of America and worked extensively with the Krofft Brothers. For Hanna-Barbera, he was the voice of Allorick in "The Gift", an episode of Challenge of the GoBots, and Dweedle on Wildfire.
Billy Barty was born William John Bertanzetti on October 25, 1924, in Millsboro, Pennsylvania. He began performing in film at age 3. He played Mickey Rooney's little brother in the "Mickey McGuire" comedy shorts series. He was equally adept in both comedy and drama, and generally gives an added zest to any production in which he appears.
Barty founded the Little People of America in 1957 and the Billy Barty Foundation in 1975. He possessed an immense talent and energetic charm that gave a much needed boost to many series and films. On television, he was the host of Billy Barty's Big Show (1963). He later worked with the Krofft Brothers and was often paired with Patty Maloney.
Barty died at age 76 of heart failure on December 23, 2000, in Glendale, California.