Someone busted these out at a party yesterday:

Top 100 Jack Bauer Jokes

http://www.notrly.com/jackbauer/index.php?topthirty

my favorites:
Kim Bauer was an accident. Not even the pill can stop Jack Bauer.
Jack Bauer sleeps with a gun under his pillow.

And of course, the classic Chuck Norris Jokes:

http://www.last.fm/user/Dementia_Inc/journal/2007/04/19/400897/

There are simply too many favorites to list