XMSF - Permissions
If it isn't already completely and totally obvious, or if you've been living on the moon or some such, the following is an admiring homage to (read: shameless rip-off of) XKCD, the best webcomic in the universe.
This is done with no permission whatsoever. But I'm sort of going on the assumption that Randall is in fact creating a whole genre. I.e. one day there will be legions of working, and aspiring, XKCDists.