Shelly

Shelly is the Blues and Reds equivalent of Sheila. Unlike Sheila, who was an AI controlling a tank, she was inside the Red Base. Her origins are unknown - whether she was a copy of F.I.L.S.S., like Sheila, is also unknown.

First appearing in Season 15, Shelly appears in the episode Blue vs Red - Part 2. She controls the Red Base sound system, playing music during the fight between Tex and Carolina in that episode. Shelly's fate from here is left ambiguous, as she is not present at any point later in the Desert Gulch.

However, Shelly does survive. In Blue vs Blue, Shelly plays Temple's monologue mix at his request. How she was transported to Earth from Armada 8 is also unknown.