Joe Gilbert likes to wear mix match socks. He is Robert’s best friend since kindergarten. Joe Gilbert (his nickname is "JoJo" coined by Robert) loves talking about anything related to Space. He wants to work for NASA someday and maybe even build his own spaceship. He has a telescope and loves to watch the stars at night. He believes that every unanswered question on Earth, can be answered by using the galaxy as an ultimate teacher. Joe Gilbert is very mature for his age, very laid back, his teacher calls him a young theologian.