This is funny, apparently there's this eight year old girl in Dublin that does prank phone calls on a radio show. Her name is Rebecca (or Little Becky as they call her). I personally haven't heard of her till today but they say she's rather popular. Anyway, this is a funny prank where she calls a demolition company and tries to get her school demolished.
:)
http://www.youtube.com/watch?v=qa7why6CCyo
That was funny, but it would never make it as a prank call in the US. No profanity, and no one got humiliated.