Who are your favorite geeky icons?

I’m working on a project that involves a variety of ‘classic’ icons throughout geek and/or nerdom. Who are you favorite heroes, villains, or somewhere in between?  Whether it’s from tv, film, comic,or video game who would you like to see? 

Hey look I actually finished something and it has a background and everything.

Prints Available

A page from the sketch book.  I need to draw more rats and live up to my name.

Colored version of my earlier drawing. 

Sketched a dwarf just because

Debating on whether to use this for a color tutorial.  If I do what questions would you guys want answered?