But what most fans don’t know? One of the Joker’s most distinct mannerisms – his lip-licking habit – wasn’t scripted. It was pure Ledger. This tic didn’t emerge from careful planning ...

‘The Joker faces we see are a result of too much plastic surgery,’ says Dr Aamer Khan, of the Harley Street Skin Clinic.' The distinctive joke ‘smile’ occurs when the corners of the top ...

“The Joker faces we see can be evidence of too much plastic surgery,” says Dr Aamer Khan, of the Harley Street Skin Clinic. The distinctive “smile” can occur when the corners of the top ...

As the camera watches Arthur on the floor dying, the young inmate is cackling manically, while using the knife to slash open the corners of his mouth into a wide grin. So does Joker: Folie á ...