Gravel Slag

Gravel Slag and his twin Rock Slag are characters from the Hanna-Barbera Wacky Races cartoon series. The Slags are twin cavemen driving a wheeled boulder, the Bouldermobile. They can accelerate by hitting the car (or at times, each other) with their clubs. They speak by combining stereotypical caveman language with normal English and rarely interact with the other racers, aside from the Gruesome Twosome in the Creepy Coupe or Penelope Pitstop in the Compact Pussycat. Their character design was later re-used for Captain Caveman.

The Slag brothers were originally voiced by Daws Butler and Don Messick, then by Jim Cummings.

Subject ID: 79741

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Gravel Slag and his twin Rock Slag are characters from the Hanna-Barbera Wacky Races cartoon series. The Slags are twin cavemen driving a wheeled boulder, the Bouldermobile. They can accelerate by hitting the car (or at times, each other) with their clubs. They speak by combining stereotypical caveman language with normal English and rarely interact with the other racers, aside from the Gruesome Twosome in the Creepy Coupe or Penelope Pitstop in the Compact Pussycat. Their character design was later re-used for Captain Caveman.

The Slag brothers were originally voiced by Daws Butler and Don Messick, then by Jim Cummings.

Subject ID: 79741

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