I think this kind of has a bit of a Gorillaz-ish look to it. ‘Dunno exactly why I drew this, but it was fun.
You can get one- http://i.walmartimages.com/i/p/00/84/72/68/00/0084726800584_500X500.jpg
(It's a kid's helmet though, so you might need to have a small head to wear it).
Link
AnarchyGreed
Love the helmet 'u'