Jake, Neytiri, Sarah and Tommy (later on)
"C'mon, Uncle Jake! We gotta get Aunt Neytiri and then go see Sarah."
Tommy was excited. Jake was just amused, really. He had vague memories of his tiny 5-year-old self dragging JR about by the hand in Cuba, and had the strangest notion that if there weren't other people around, Tommy would've been doing exactly the same thing to him.
"I'm coming, I'm coming! Hang on, I gotta get water," he replied, and grabbed a couple bottles of water before following after his nephew.