Pythor P. Chumsworth (MLPTP: FIM)

Pythor P. Chumsworth is a

and one of the two main antagonists of  Friendship is Magic Part 1 ,  Friendship is Magic Part 2 ,  Twilight's Kingdom Part 1 ,  Twilight's Kingdom Part 2, and one of the main antagonists of  My Little Pony Transformers Prime: Friendship is Magic.