Help me. This strange creature appeared in my house, it won't leave me alone :(

It keeps moving all my things and eating all my cake. Its not even scared of my cat! Whoever sent this thing must be evil!

If anyone is reading this, please alert the authorities immediately. I am fearing for my life!

He is seriously like the worst housemate ever. Hes like a fart, noone wants to smell it but it insists upon hanging around!

Ps - Santa I Love this gift :) Ive never watched Adventure time, and I didnt mention ANYTHING like this in my likes/dislikes.... but this is the gift I never knew I needed. Seriously you couldn't have found a more perfect bag for me. Its my new casual bag :D Might even take it to work!