This is my take on a Fakemon based on a type of Fearsome Critter called the Rumptifusel.

Name: Hatrap
Category: Deceive Pokémon
Type: Dark
Description: Disguising itself as an ordinary fur cap, if anyone where to wear as such, it will use its teeth to drain their blood.

It will evolve into Coatrap which will be based off of mink pelts.