In contrast to Callisto, he is more joyful, enthusiastic, and gets excited easily, much like Charon. He is strong because of his density, and obedient as well, which was shown when he reminded the other Galilean moons not to cross the Asteroid Belt as Jupiter said, but he may take others' messages to seriously, which was shown when he sprayed his sulfur dioxide onto the Moon's face and threw him at other asteroids thinking that he was an "evil planet" as an allusion to Jupiter's message.