Answer:
Look into my face and I'm everybody. Scratch my back and I'm nobody.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
A hill full, a hole full, yet you cannot catch a bowl full.
My head bobs lazily in the sun. You think I'm cute. For my face is yellow my hair is white and my body is green.
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
What do angels sing in the shower?