Grogar

Grogar is a ram necromancer and the underlying antagonist of the ninth and final season of Friendship is Magic. He was first mentioned in A Flurry of Emotions in a children's story read by Twilight Sparkle, but makes his first physical appearance in The Beginning of the End - Part 1.

Development
Grogar is based on the G1 villain from the series My Little Pony and Friends.