He had never really speculated about this before, since...

He had never really speculated about this before, since demons came in all shapes and sizes. Indeed, some of them came in more than one shape or size all by themselves, such as O'Dear, the Demon of People Who Look in Mirrors and Think They're Overweight, and his twin, O'Really, the Demon of People Who Look in Mirrors and Think They're Slim When They're Not.