Mr. Slate (known in earlier episodes as J.J. Granite or Mr. Rockhead) is Fred's boss at the Bedrock Quarrel and Gravel Company (later known as Slate Rock and Gravel Company) and a fictional character of the original series, The Flintstones and the rest of the franchise.
Mr. Slate has been suggested to play 22 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
