The big step to normal! Go bullet
I like the idea of the frill around its neck. We have a lizard in australia called a frilly necked lizard. here are some urls that show some shots of the frill, may help you get the right feel.
http://www.doaustralia.com/Fauna/FrilledLizard.htm
http://www.australianstamp.com/Coin-...re/frilled.htm
and 1 more image. i hope this is helpful.