The Pope has it but he does not use it. Your father has it but your mother uses it. Nuns do not need it. Your lady friend's husband has it and she uses it. What is it?
I'm as plain to see as black & white. I prefer to roam about at night. Just don't attack or startle me. Or odiferous emissions may result you see. I'm an omnivore yes it's true. But what's my name tell me do?