Lennie Weinrib (April 29, 1935 – June 28, 2006), also known as Lenny Weinrib, Leonard Weinrib, and Len Weinrib, was an American actor, voice actor, comedian and writer. He was best known for playing the role of Moonrock Crater from The Pebbles and Bamm-Bamm Show, a spin-off of the original series, The Flintstones.
For Hanna-Barbera, he did the voices for Moonrock and Bronto from The Pebbles and Bamm-Bamm Show and The Flintstone Comedy Hour and Sergeant Boulder from The Flintstone Comedy Show. In 1986, he was the original voice of Freddy Flintstone on The Flintstone Kids, before Scott Menville replaced him following the second season.
- The Pebbles and Bamm-Bamm Show (1971-72) - Moonrock Crater, Bronto
- The Flintstone Comedy Hour (1972) - Moonrock Crater, Announcer
- Fred Flintstone and Friends (1977) - Additional Voices
- The Flintstones Meet Rockula and Frankenstone (1979) - Mr. Silica
- The Flintstone Comedy Show (1980-1982) - Moonrock Crater and Sergeant Boulder
- The Flintstone Funnies (1982-1984) - Moonrock Crater and Sergeant Boulder
- The Flintstone Kids - Freddy Flintstone (1986-1987), Commissioner