what someone is made of

: used as an interrogative expressing inquiry about the identity, nature, or value of an object or matter

: often used to ask for repetition of an utterance or part of an utterance not properly heard or understood

:  who

:  why

:  in what respect :  how

: used as an interrogative expressing inquiry about the identity, nature, or value of a person, object, or matter

:  whatever

:  any

:  some person :  somebody

:  fictitious, invented

:  artificially produced

:  put together of various ingredients