L. Frank Baum

“ His long white hair and beard waved in the breeze; his eyes flashed hate and vengeance, and so astonished and shocked were they by the sudden appearance of this old enemy of the Oz people that they could only stare at him in silence and shrink away from his wild glare. ”

“ Then he searched in his pockets and brought out the two nuts and showed them to her.
Ozma regarded them thoughtfully.
"It isn't right to leave any living creatures in such helpless forms," said she. "I think, Wizard, you ought to transform them into their natural shapes again." ”

“ So Dorothy ran to get a cup, and while she was gone the Wizard said:
"I don't know whether the real forms of these magicians are those of men or beasts. If they're beasts, they would not drink from a cup but might attack us at once and drink afterward. So it might be safer for us to have the Cowardly Lion and the Hungry Tiger here to protect us if necessary." ”