In the Elseworlds story Batman: Crimson Mist, the third part in a trilogy that turned Batman into a vampire, the Penguin is the first of many criminals to be killed by the vampiric Batman after he surrenders to his darker instincts.
In the alternative timeline of Flashpoint, Oswald Cobblepot works as the security chief of Wayne Casinos, providing information about his clients and the criminal underworld to that universe's Batman, Thomas Wayne [REF].