She is a very good Pac-Pong Player against Betrayus while Spheros was a coach/referee of Pac-Pong Fever in her flashback. She is known by her nickname in Pac-Pong, as "Spheria Suprema." With her expert skills, she teaches everybody in Pac-World about Pac-Pong, and she won in a rematch against Betrayus while Dr. Buttocks takes the chair. She is always with Sir Cumference in the series in his lab.
Spheria's name comes from the word sphere, a three-dimensional circle.
- Spheria and Sir C are possibly in a relationship during That Smarts! since Sir C gave her flowers, they possibly, this wasn't shown since Butt-ler changed the screen, kissed, and at the end of the episode they are seen holding hands.
- She sounds like Applejack from My Little Pony: Friendship is Magic because of their same voice actress, Ashleigh Ball who also does Pinky.
- According to Butt-ler, Betrayus had a crush on Spheria.