Mr. Slate

Mr. Slate in The Flintstones 1960

Mr. Slate (voiced by John Stephenson and Frank Welker) is a character from The Flintstones and The Flintstone Kids. He is Fred's boss.


Mr. Slate is hot-tempered. He often is not impressed by Fred's antics and often fires him only to give him his job back in the end. 


Mr. Slate has blonde hair and wears glasse with a black tie which hangs down to his knees. The only change of appearance is that his hair color can now be seen.

Mr. Slate (2)

Mr. Slate in The Flintstone Kids (1986)

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