" I can't blame you for trying to categorize me. It's a human instinct. It's why scientists are, to this day, completely flabbergasted by the duck-billed platypus: it's furry like a mammal, but lays eggs like a bird. It defies conventional classification.
I AM THE PLATYPUS (Coo coo ka-choo) "

― Jeff Garvin , Symptoms of Being Human