Yeah looks nice! make sure to add cartoony things into it also! even though I don't really have any references... maybe tone down the rainbows a little bit. add more black. (or grey whatever color you are using).
Its looking too similar. kinda symmetrical. make it cartoony also with like random things. http://forum.toribash.com/showthread.php?t=424019
Take from this and kinda blend that in with this set. but keep the head. this goes for everyone btw . waiting for mmore wips from people or atleast confirmation that they have started!