Yeah, this isn't so hot.
All of the edited parts are one tone and flat looking. You really need to work on applying some shading to your sprites to give them some depth.
Not to mention you don't even have the costume right. His fee look like he's wearing some oversized slippers.

does not equal
Make sure that you add some depth to the black parts of the costume as well. Otherwise it looks like a whole in the image if you use pure black for everything.
If you have any questions or just want advice, feel free to give me a PM. It may take awhile, but I'll get back with you some time
