Phineas T. Gasket-Ratchet, better known simply by his surname Ratchet, is the main antagonist of the 2005 Blue Sky's 2nd animated-computer feature film, Robots.
He is trying to take over Bigweld Industries through lies and manipulation so that he can recycle all outmoded and discarded robots in town as ingots to be used for upgrades. He is Madame Gasket's son and Rodney's arch-nemesis.
He was voiced by Greg Kinnear. In the videogame adaptation of the film, he was voiced by Jim Meskimen.