Kontraband

I
CAN
HAS
CHEEZBURGER?

one of them has glow for darker themes. I think the site was actually started by Will Ferrell.

EDIT
Looks a whole lot better.
xkcd is "A webcomic of romance,
sarcasm, math, and language."

"Warning: this comic occasionally contains strong language (which may be unsuitable for children), unusual humor (which may be unsuitable for adults), and advanced mathematics (which may be unsuitable for liberal-arts majors)."

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xkcd - A webcomic of romance, sarcasm, math and language.
Ingenious humor by Randall Munroe.