Any Halloween pic idea? (Patreon)

Hello my friends! I want to draw a pic to celebrate Halloween but haven't figure out any good idea. I need your suggestion! Please reply if you got any idea! 

format: [ (character name)+(costume) ]

ex: Pony Luna in a witch costume

ps1. It doesn't have to be a MLP character but MLP characters are more likely to be chosen.

ps2. The September artpack needs another few days to be finished. Once it's done it'll be sent asap. Thank you for your patience! Love you guys!