Derpy, episode one, at 17 minutes 18 seconds. There are two more Derpys in the scene, one to Derpy's right, and another across the frame.
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Derpy, also known as Muffins and Ditzy Doo, is a female Pegasus pony who was given the name...
Main category: Derpy images Wow, Twilight calm down. Derpy yelling "surprise!" for Twilight. You...
lalalalalalala derping is magic!!!