Something from the Middle Ages
This problem has been known about since the Middle Ages, which is a very long time. The condition is called hypertrichosis, and it makes hair grow in a strange way. Some scientists think this condition is caused by genes, but that is not 100% clear. Only five people in the whole world have ever had this condition.
Two Middle Fingers
Because he has two middle fingers, this guy can flip the finger or fingers in a way that no one else can. He was born with six fingers, 12 in total. His middle finger was the one that was extra. If you make him mad, he will make you feel even more scared. This is one of the most interesting ways we’ve seen to flip the fingers.