The film opens in a world of anthropomorphic robots, with Herb Copperbottom (Stanley Tucci), a dishwasher at Gunk's Greasy Spoon diner, racing through the streets of Rivet Town, elated that he is going to be a father. He and his wife, Lydia (Dianne Wiest), after 12 hours of "labor", finally manage to construct the baby. He is named Rodney (Ewan McGregor), and he becomes a young inventor who dreams of making the world a better place for everyone. Rodney idolizes Bigweld (Mel Brooks), a master inventor and owner of Bigweld Industries. During Rodney's adolescence, he invents a gadget, "Wonderbot", intended to help his father clean the dishes at the restaurant. When Herb's boss, Mr. Gunk (Dan Hedaya), unexpectedly confronts them, Wonderbot panics and begins breaking dishes, resulting in Rodney