It's so adorable. I love the bright blue used here, its a real attention grabber. Also the fact that it's a super happy slime monster. Good use of white. It adds a reflective quality to the dripping tendrils of goo.
Hear no evil, See no evil, Speak no evil. I love that instead of using its hands, the monkey is using money. His facial expressions look indifferent, as if his money solves all of his problems and he doesn't really care about much else.