At what level does Machop evolve?

At level 28 in "Pokemon," Machop evolves into Machoke. Machoke later evolves into its final form, Machamp, only after it is traded. Machop, Machoke and Machamp are entries number 66, 67 and 68 in the Pokedex, respectively.

Machop is a fighting-type Pokemon. It resembles a human bodybuilder in shape, though it has blue-gray skin, red eyes and three dark gray ridges on top of its head. Machop starts with the moves Low Kick and Leer, and can learn other fighting moves such as Karate Chop, Wake-Up Slap and Cross Chop. Though the Machop type of Pokemon appears to be male, 25 percent of Machops are actually female.