What are the most annoying April fools jokes you have ever played or had played upon you? Or even heard about from someone else?

What is the funniest, without being annoying?

Sam, on April 1 one year, reviewed the movie "Rear Window" for the Bad Bad Bad Bad Movie page. I read it about 6 months later (I had missed it on April Fools day.) and went into the chat room to set him straight about this movie. Basically I just couldn't believe it. He laughed and laughed when he realized how effective his April fools joke was. I thought it was funny, also. I still grin when I think about how good he got me with that, just because it was no where near April first and I was totally not expecting it. Also, I need to pay more attention to the dates on the reviews.

I had a teacher in High School who went home from school on April first and took a nap. His wife set all the clocks ahead, changed clothes and waited till it got just dark enough to fool my teacher into thinking it was morning. She woke him up and told him he was going to be late for school. He thought it was funny, and do did we, his students.

I have heard of one person who's wife put Monopolly money in his wallet and left him stranded without any cash or credit cards. Not funny, in my opinion.

Anyway, yeah. What are the best and worst April Fools jokes?

Ticia
Wife to Don (Sept 23, 2000)
Momma to Rose (June 28, 2002)
and Abigail (Feb 7, 2004)