On the Bilkis Mario is the Captain's Backup. Rank: Lieutenant Commander.

Mario is one of the government's experiments in siblings, since there are no such things as siblings; everyone at first is repulsed at the idea. Mario is suave and cheerful. He has a very care-free personality. He has a younger sister named Tiki. Mario often talks about something called: Love, it's something from the past something that isn't necessary anymore.