Octavio Rojas (born on 6th December 1963) is a Mexican voice actor who provides voices in the Latin American narration of Thomas & Friends.

He is best known for voicing Waylon Smithers in "The Simpsons", Lots-O 'Huggin Bear in "Toy Story 3", David Xanatos from "Gargoyles", Lugia from "Pokémon: The Movie 2000", Tim Lockwood from "Cloudy With a Chance of Meatballs", Dr. Drakken from "Kim Possible", Panik from "Yu-Gi-Oh!", Captain Gutt from "Ice Age: Continental Drift" and Lucius Malfoy from the "Harry Potter" films. He is also a regular dubbing voice of Liam Neeson, Wesley Snipes, Russell Crowe and Chuck Norris.