C.H.U.M.

C.H.U.M.(short for cool, humanoid, urban, muchacho) is a robot designed by Martin Prince

History
When it firsts appears Martin is going to enter it in a science fair. It then says "Don't hold my hand, it is creepy". Showing it doesn't want people thinking it and Martin are robosexuals. It reapears as archive footage at Martins memorial.

Non-canon
Martin dances with it at the prom

Appearances
"Fat Man and Little Boy"

"Future-Drama"(non-canon)

"Dial "N" For Nerder"(archive footage)

"Gorgeous Grampa"