Gaming

WarpstarHeroes at Youtube - my Smash crew's video dumping ground.
End of Time - Squaresoft themed MUD where I spent much of my coding career.
Smash Brawl Rankings - Online rankings for Brawl. I haven't been active there for quite some time.

Development

MudBytes - MUD code repository and discussion.
64 Digits - Game Maker community, another site I'm not too active on anymore.

Web Comics

Least I Could Do - My favorite web comic by far.
Giant in the Playground - home of Order of the Stick and Erfworld.
Looking For Group - a hilarious WoW themed web comic.
Awkward Zombie

Others

OverClocked ReMix - Video game music arrangement community.
Get FireFox, right now. You'll thank me later.