Produced by Production I.G, consisting of 26 short-form episodes (approx. 10 minutes each) aired between 2003 and 2004
Serialized in Weekly Shōnen Magazine from 2000 to 2006 Cromartie High School
A student who is clearly a small, tin-can-shaped robot. Only Kamiyama seems to notice he isn't human; the others just think he has a "tough" voice. Produced by Production I