Mr. Slate

George Nate Slate is a fictional character from The Flintstones.

Mr. Slate was Fred Flintstone's boss at The Slate Rock and Gravel Company (also called The Rockhead and Quarry Cave Construction Company in some episodes). He is nearly bald, having only two hairs on his head, and wears a pair of black glasses with circular lenses. One epsiode of the orginal series gives a strong hint that his nephew is Barney Rubble. Another of the orginial series epsiodes which has the Flintstones and Rubbles travling to the future-helped by the Great Gazoo-has Mr Slate's lookalike descendent #XXII who tries to chase Fred Flintstone to collect a $4.00 debt!

John Stephenson provided the voice of the animated character, while character actor Dann Florek portrayed him in the 1994 live-action movie.