Joe & Mac - Caveman Ninja

Joe & Mac, also known as Caveman Ninja and Caveman Ninja: Joe & Mac, is a platformer released for arcades by Data East in 1991. It was later adapted for several platforms. The game stars the green-haired Joe and the blue-haired Mac, cavemen who battle through numerous prehistoric levels using weapons such as boomerangs, bones, fire, flints, electricity, stone wheels, and clubs.