(Or at least my wierd sense humor)
Fanmanga: Just one at the moment , mostly just for jokes I can't write down on paper.
YKYLGAVW: Ok so how many people saw this one coming, well it's my site so nyah nyah ^_^
Gohan and Videl's Comedy Corner: Jokes that I found on the web that have been DBZ-ized
Jokes aquired from: http://click.hotbot.com