Little Li started off with a very small birthmark on her back, but as she grew older, the birthmark started growing as well. Now she's got grey hair covering almost half her body. People call her the 'cat lady'.
5. Zhang Hongming
This guy is actually growing into a human werewolf. Apparently, Zhang had a small birthmark but it kept growing as he aged. Doctors are calling this condition as congenital pigmented nevus and it isn't found in humans as such.