Dude, that’s kinda hard :S
I guess i would go with some Insectlike creatures. Like the ones from Distric 9. They seem pretty cool.
Aww, Fuck, wait!
How could i forget my favourite alien-species? The freaking Combine! I will get a Tattoo in the future which is Combine and Half-Life related ?
If because of copyright issues or shit like that, you had to take another artist name, which would it be? (And not silly ones like “My Spicey Wiener”, be serious guys!)