Everyone starts out as innocent and adorable. In early life, everyone is full of potential. The world is your oyster, and you can grow up to be whatever you choose.

But for some people, that’s a really, really bad thing. Hitler, Kim Jong Un, Osama Bin Laden, Jeffrey Dahmer - they were all once cute little toddlers crawling around their parents house, until they grew up and moved on to what they’re famous for.

Here are some of the darkest humans of history when they were in diapers.