What's really annoying about them is that they essentially stifle threads by sheer volume. If one question manages to go by unnoticed, they start declaring victory. If you stop or slow the flood to focus on one thing at a time, they'll claim you're silencing them.
So, who's your most loved/hated flooder ever, and what sorts of things oozed barfly from their keyboards?
For me, I've got fond/painful memories of Kilik of the JREF forums, who posted loooooooooong posts featuring multi-genre woo and lots of colorful pictures, including an image of a Magic: The Gathering card as evidence of psi. Did you know that Jesus was a martial artist and used his skills to defeat and escape from Roman soldiers? The Bible needs more ninjas.
In unrelated news, I think I've got my 133t noodle skillz back.