It's not unusual to meet someone and think that they look uncannily similar to somebody else. It might be that they look like a certain celebrity or perhaps they just look like your second cousin or someone who hit on you in a bar once. Either way, there are people out there who are basically someone else's doppelganger. Thanks to this awesome list from 9GAG, we've now found out about 22 celebrities who have historical twins. The resemblance between these celebs and their counterparts from history really is astounding. Take a look and see for yourself!