Trixie

Trixie (full name: Trixie Lulamoon) who refers to herself as The Great and Powerful Trixie is a unicorn pony and magician and a former recurring villain in My Little Pony: Friendship is Magic. She is the main villain of "Boast Busters" and "Magic Duel." Most importantly, she is also Starlight Glimmer's best friend. She is voiced by Kathleen Barr, who also voiced Queen Chrysalis.