Zeta (?U)

Zeta is a strange robot who rules the city of Axiom Nexus. He randomly attacked Blackout when he appeared there, and made a "cliche exit" when Ynot also showed up. After he escaped, Blackout, showing an unusual amount of storyline awareness, said that they'd need to "wage a highly anticlimactic battle with him to make him let us out of Axiom Nexus". They then headed for the Axiom Nexus Central Tower, which was two weeks away on foot.

While they were heading there, Zeta sent random goons Dirge and Thrust to attack them, but they were defeated. When Zev Raregroove sent Archer as a gift for Blackout and Ynot, Zeta reappeared and blasted him. Archer responded by slashing at him and making him crash.

Ynot then ran over to Zeta's crash site, only to find it mysteriously empty.....