For the uninitiated, photobombing is the art of jumping into the background of a photograph right as it is being taken. The results vary, but can be particularly hilarious if the correct ratio of "bizarre expression" to "having absolutely no relation to anyone in the picture" is met. Because it is the Internet's heroic burden to keep track of these things, here are three of the world's most notorious photobombers.
Paul Yarrow really, really likes to be on the news. However, rather than achieving his dream by eating a thousand hot dogs or killing a president, Yarrow prefers to just stand in the background of live broadcasts and stare at the back of the reporter's head like it's playing every Michael McDonald song ever recorded.