Evil Dr. Porkchop, also known as Dr. Porkchop or Mr. Evil Dr. Porkchop, is a minor antagonist in the 1999 Disney/Pixar movie Toy Story 2 and its 2010 sequel, Toy Story 3. He is an outlaw played by Hamm and he was wearing Mr. Potato Head's hat. He is played by Pixar's good luck charm John Ratzenberger who also voiced Hamm himself, P.T. Flea from A Bug's Life, The Underminer from The Incredibles and Earl from The Good Dinosaur.