 In the opening scenes of the first and third films, Slinky is described by Andy as One-Eyed Bart's "attack dog with a built-in force field".In "Toy Story" and "Toy Story 2", Slinky was voiced by Jim Varney.In "Toy Story 3", Slinky was re-cast due to Varney's death and has been voiced by Blake Clark ever since.