Meet Sidney Carvalho from Brazil. He prefers to be called "Tio Chico." Odd name, I know. Uncle...Boy? Well, that's not important. It's his Guinness world record that will have your eyes popping out. And what a coincidence...that's his record!
Tio Chico can pop his eyeballs .71 inches out of their sockets. And he can keep them there for like 30 seconds. Is this safe? NO. In fact, he briefly loses vision every time.
For those daring enough to watch...