Derpy Hooves - Costume Process

I've always wondered how Derpy came up with the idea for her Nightmare Night costume. This was what I came up with.

Derpy Hooves / MLP:FiM (c) Hasbro /

All Levels At Once (c)

Artwork (c)

EDIT: Wow, featured on Equestria Daily. Thanks for all the attention and love, guys!

EDIT: Wow, so many guys recognized Levels even though I forgot to credit him at first ^_^;

I'MSORRYLEVELSILOVEYOURMUSICDON'THURTME