In a costume, you need very exaggerated body language - as you say, sort of mime-type skills.
“That freedom that Picasso afforded himself, to be an artist in a huge number of ways, seems to be a huge psychological liberation.”
“I can't find my car keys in the morning. Trying to get out of my house is a nightmare. 'Where's my wallet? Where are my keys? I have to go find a missing person.'”