Continuing our series in which writers reveal the movie stars and characters they emulate, Martin Pengelly attempts to persuade us why Moore's determination to look on the bright – or ridiculous – side makes him an existential hero for our times• Rowan Righelato: why I'd like to be Robert De Niro• Peter Bradshaw: why I'd like to be George Sanders• Xan Brooks: why I'd like to be Joseph CottenIn a way, it’s not me who wants to be Sir Roger Moore – it’s my friend Tom.Tom is a slightly peculiar man who as a child was caught wearing his dad's slacks, roll-neck and blazer, mixing martinis from Kia-Ora and Drambuie and wearing his mum's bra backwards as a shoulder holster.