Cozy Glow

Cozy Glow is a female school-age Pegasus pony who first appears as a supporting character in the season eight episode Marks for Effort, later becoming the main antagonist of the finale School Raze. She is a former student of Twilight Sparkle's School of Friendship, currently imprisoned in Tartarus. She has a pink coat, light blue mane and tail, scarlet eyes, and a cutie mark of a rook.