A fortnight after he died, the coroner's office concluded that Heath Ledger (April 4, 1979 – January 22, 2008) had had an overdose of 'oxycodone, hydrocodone, diazepam, temazepam, alprazolam and doxylamine'. Johnny Depp, Jude Law and Colin Farrell took up roles as his incarnations in Terry Gilliam's The Imaginarium of Doctor Parnassus, his last, unfinished film. A tribute to the most memorable 'Joker'.