Omni is an android space marshal who was originally enrolled at Astral academy. He first met Yoko and co whilst fighting a criminal that had destroyed Astral academy and had captured all of his classmates except for him. the gang then invite him back to galaxy high. soon after that planet Earth is attacked by monstrous alien plants. the gang and omni go to the plants home planet to find a way to beat them, once that the Earth had been saved and Gangus locked up, omni decides to go out into space to find his classmates but is eventually convinced to stayand become an official space marshal of Galaxy High.