Princess Celestia is the most magical pony. She is responsible for raising the sun and the moon to create light and darkness in Equestria. She is the only pony with a unicorn's horn and Pegasus wings. Wise and kind, she is the mentor to Twilight Sparkle. All of the ponies look up to her and depend on her.
Princess Celestia is a major character in My Little Pony: Friendship is Magic and the former co-ruler of Equestria along with her younger sister Princess Luna.