Goliath

A truck that turns into a command station and missile launcher, and serves as a launch platform for Goliath I. His mask is called Totem which fires small totem shaped explosive grenades.

Nevada Rushmore

An American Indian and Matt Trakker's childhood friend.
Nevada Rushmore was a character added in the third "Racing Seres" seres of M.A.S.K. cartoons and toys (this means that the character didn't get much screen time). "Chief" Nevada Rushmore was the Native American of the M.A.S.K. Team. He spoke in broken English and wore a feather in his headband. He was a childhood friend of Matt Tacker.