Thanks for the comments everyone. I'm glad you like him.
I did go over his eyes with a lighter green but, it doesn't pop as much as I want. I've thought about repainting them. I think your idea about a winter and autumn one is very cool (especially autumn). To do this version I mixed two different flocks together.
I used Zinsser Graffiti Remover & Stripper to get the glue and paint off. It was very hard to get off and the most unenjoyable aspect of this custom.