16Entry by B.D.D.
15Entry by mastershake123
In case you're new to the internet, a photobomber is someone who finds occasionally creative ways to ruin other people's photos. They can be obnoxious or hilarious depending on whether you're the wedding photographer, or the guy who's humping the wedding cake.
We asked you to show us what some of the most important images throughout history would have looked like if some wise-ass had photobombed them.