Matthew Perry is said to have been so obsessed with Batman he called the assistant who injected him with his final doses of ketamine ‘Alfred’. The ‘Friends’ actor nicknamed himself ‘Mattman’ in his final Instagram posts due to his worship of the caped crusader, which were uploaded before he was killed on 28 October, 2023, aged 54 from the “acute effects” of anaesthetic ketamine. It’s now been reported by the Daily Mail Matthew’s live-in assistant Kenny Iwamasa, 59, was “known as ‘Alfred’ to Perry’s ‘Batman’” – in reference to the comic book vigilante’s 24/7 butler. Iwamasa admitted in court do…