Answer:
As light as a feather, but you can’t hold it for ten minutes.
I wear a red robe, with staff in hand, and a stone in my throat.
White fat and fluffy, May even look like a puppy. Seems heavy but is light, Floats about without a worry, But if it turns dark you have to hurry!
Bold are the first; true are the second; playful are the third; clever are the fourth; forceful are the fifth.
What goes through a door but never goes in. And never comes out?
I am owned by Old McDonald.