YOU ARE READING Factional Non-Fiction All facts about whatever I feel like. #coolfacts #factbook #factional #facts #funfacts Fact #15: Derpy's Legal Name 4 0 0 by atherodeogirl16 by atherodeogirl16 Follow Share Post to Your Profile Share via Email Report Story Send Send to Friend Share Post to Your Profile Share via Email Report Story Derpy's legal name is now Muffins.