basically it's an avatar-making tool made by candle of kool.tools. there's a big list of known guy makers on candle's site, but here are a few of our favorites:
and finally, here's our own sci-fi flickguy! hit "remix" in the lower left for an ms-paint-like interface where you can use the paint bucket tool to recolor things, or make whatever other adjustments you want.
the images you make with our flickguy are uncopyrighted, do what you want with them. the flickguy software itself is available under the anti-capitalist software license--see the link for details, but basically do what you want with it as long as it's not for a business organized by hierarchy (selling your version as an individual or co-op is fine), or for a military or law enforcement organization.