Probably the whole world knows about these already, but somehow I had never seen them. Here are some choice examples:
<JonJonB> Purely in the interests of science, I have replaced the word "wand" with "wang" in the first Harry Potter Book
<JonJonB> Let’s see the results…
<JonJonB> "Why aren’t you supposed to do magic?" asked Harry.
<JonJonB> "Oh, well [...]