hactor
A human who thinks they can act, but they’re just pretending to be a real person.
My dog tried to be a pirate in a play. He barked, ate a hat, and ran offstage like he was chased by a ghost.
My brother’s teacher said, 'Act like a robot.' He stood there like a statue for five minutes before he remembered he was supposed to move.
My sister tried to be a princess. She tripped over her dress, fell into a bucket of water, and screamed like a goat.