The instant attention to his speaking and their attempts to follow pleases Jack immensely. It's always so much easier with children. He smiles at the one who got it right pointing at him in congratulations.
"Right!" He gestures to himself again. "Jack."
He touches the little doll and uses the word he's assumed to be her name. It was used many times in the story and in tone that suggests it's her name. He says it again while touching her. Then points to himself again, saying his name and hoping they get it.