Tilly is a character who appears in Nestor, the Long-Eared Christmas Donkey. She is a cherub comes to inspires Nestor and only one who doesn't laugh at him and mocks about his long ears.
Tilly is up to guide Nestor and tells him about his ears can do wondrous things than other ears. She helps him overcomes his problems without letting the other animals laugh at him in "Don't Laugh and Make Somebody Cry" and almost takes him until Joseph & Mary buy him to go to Bethlehem. While a sandstorm arrives, she whispers to him about what she said, which helps him carry Mary through thestorm and it finally works.