Here's a list of some of the funny instances of vandalism I've come across:
==1.==
Bullet trains have poo coming out of there wind screens and eat chicken while stabbin a monkey. Thats right fool.
==2.==
The concept of the CN Tower originated from a 1968 desire to build a platform to serve as a large dildo for French Canadians to sit on for their sexual pleasure.
==3.==
Hello Stephen Baldwin here, I would like to know why my changes to my own Wikipedia page are being reversed. Being Stephen Baldwin I of course know the most about myself and I would appreciate it if you allowed me to rectify false information on my page. Love, Stephen Baldwin