" Then I shan't be exactly a human? Peter asked.
No.
Nor exactly a bird?
No.
What shall I be?
You will be a Betwixt-and-Between, Solomon said, and certainly he was a wise old fellow, for that is exactly how it turned out. "

― J.M. Barrie , Peter And Wendy, Peter Pan In Kensington Gardens, Peter Pan: the play. (Timeless Wisdom Collection)