Grogar

Grogar (voiced by Doc Harris and David Kaye) is a male ram and the main antagonist of the ninth and final season of My Little Pony: Friendship is Magic. He is first mentioned in a children's story in A Flurry of Emotions, and he makes his physical debut in The Beginning of the End - Part 1. He is an ancient tyrant who forms an alliance of villains to defeat the Mane Six and take over Equestria.