“Um…what are you, exactly?” “That doesn’t matter right now.” “It doesn’t matter? From the waist down, my best friend is a donkey—” Grover let out a sharp, throaty “Blaa-ha-ha!” I’d heard him make that sound before, but I’d always assumed it was a nervous laugh. Now I realized it was more of an irritated bleat. “Goat!” he cried.