Eduardo Fonseca (born on 2 September 1958) is a Mexican voice actor who provides voices in the Latin American narration of Thomas & Friends.
He is best known for voicing Slithe in "ThunderCats", El Ray from "¡Mucha Lucha!", Dr. Thornhill from the 2013 "Max Steel" series, Mr. Blik from "Catscratch", Nergal from "The Grim Adventures of Billy and Mandy", Avery Bullock from "American Dad!", Rhino and Tinkerer from "The Spectacular Spider-Man", and Chimera from "My Little Pony: Friendship is Magic".