Pepperberry

Cotton Candy is great at baking, but she never gives out samples to anypony. Pepperberry is seen stealing multiple times from Cotton Candy, who gets mad, but after Pepperberry reveals her dark past, and Cotton Candy learns the hard lesson of charity. She takes in Pepperberry as an apprentice later in her story. Think angsty teen.

Trivia

 * He was originally set to be an earth pony until accidentally being written in as a pegasus pony.