CAO-2 is Lum, Benten, Ran, and Oyuki's tyrannical robotic teacher from elementary space school. Benten and Lum try numerously with force, Ran to gang up on him and get rid of him, but find him indestructible. CAO-2 is shaped like a gigantic blackboard eraser. It often throws itself at students putting chalk dust all over them.
Biography[]
CAO-2 was a 200-year veteran at the Space Colony Planet's Elementary School, who was constantly subject to the troublesome antics of Lum, Benten, and Ran. Their antics against him would escalate, and after chasing after them to Planet Urchin, he became stuck in one of the spikes there.
Although the girls had believed they'd never have to deal with their former teacher again. However, years later, news of a redevelopment plan reached them, and they feared that CAO-2 would come for revenge against them.
Trivia[]
- His second seiyū previously voiced Rei from the original Urusei Yatsura anime series, Akauma from Fire Tripper and Narration from Kyoukai no Rinne.