Iñaki Crespo is a Spanish voice actor who, since 1992, has voiced Gonzo in the Castilian dubs of Muppet productions. He also dubbed Uncle Henry in Los Teleñecos y el Mago de Oz (The Muppets' Wizard of Oz).

Crespo's film dub credits include Billy Zane in Silent Warnings, French Stewart in Home Alone 4, Isaiah Washington in Romeo Must Die, and Norm MacDonald in Billy Madison. In television, Crespo has dubbed Malcolm-Jamal Warner (Malcolm and Eddie, Jeremiah), David Alan Grier (Dag), Ted Lange (The Love Boat), and Joel Tobeck (as Lucifer on Xena: Warrior Princess). He has also been heard in the Spanish versions of several videogames, including Commandos: Strike Force and Tom Clancy's Splinter Cell: Chaos Theory.