Met

The word Met is derived from the word helmet. They are also called Mettool, although their official name is Mettaur. These robots have appeared all of the Mega Man classic games and even in Mega Man X and MegaMan Battle Network games. In Dr. Wily's fortress in Mega Man 4 there is a giant met boss and in Mr. X's castle in Mega Man 6 there is a met boss operating a tank.