People whom I know.
Cory L.
Dan R.
Ron S.
Yezi X. (The Yetizoo too.)
Ben R.
Shane R.
Sue B.

People whom I don't know.
Penny Arcade
Homestar Runner
English as She is Spoken
Sand Game
Jim Breen's Japanese-English Dictionary
Metababy (Potentially NSFW)
Young-Hae Chang Heavy Industries
xkcd