It does reverse image searches. However, I don’t think it would be able to help you find out who those guys are unless you first cropped their pics to eliminate all the elements that aren’t them.
Even then, it probably won’t be much help. But I’m just letting you know that what you’ve described does exist in the form of Tin Eye.
3hourtour, what you’re looking for is:
http://www.tineye.com/
It does reverse image searches. However, I don’t think it would be able to help you find out who those guys are unless you first cropped their pics to eliminate all the elements that aren’t them.
Even then, it probably won’t be much help. But I’m just letting you know that what you’ve described does exist in the form of Tin Eye.