Jupiter is a very wise role model to the terrestrial planets. He always shares his knowledge with those who need it, such as when Earth had an idea to go to another star, he refuted the idea as they'd all freeze along the way. He also explained that he can never become a second Sun as he doesn't have the mass to become one.

Like Saturn, Jupiter also cares for his moons, but tends to forget and mispronounce their names. However, he tends to be more lenient with them, shown when he immediately ap