"John Rhys-Davies, who plays Gimli in Lord of the Rings, lost the top of his middle finger as a kid and had special prosthetic made. He played a prank on Peter Jackson where he cut off the tip of the prosthetic, covered it with blood, walked up to Peter and said, “Boss, I had an accident.”"
There is, however, a virus in parts of Africa which is deadly for horses and less lethal for zebras and donkeys.