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The information in this article comes from The Funnies and is not written by Edgar Rice Burroughs.

Sak Kola was a Green Martian who fought in the Warhoon arena with John Carter and Kantos Kan. Sak Kola was a particularly vicious fighter, killing at least fifteen foes, and killing a white ape with his tusks. When there was only four opponents left in the arena he teemed up with fellow green martian Lug Molo to fight Kantos Kan and John Carter, Sak Kola attacked Carter, and Lug Molo attacked Kantos Kan. Sak Kola met his end when John Carters blade stabbed his heart!