Mickey's Mechanical Man

From The Unofficial DisneyWiki

Mickey's Mechanical Man is a black and white Mickey Mouse short released on June 17, 1933.

Mickey builds a robot named Champ to fight against Beppo the Gorilla, the Kongo Killer, in a boxing match. Champ doesn't work as well as Mickey expects him to, however, and he only manages to defeat Beppo becuase Minnie's car horn has the power to invigorate and resuscitate him.