Luis Bajo is a Spanish voice actor born on June 19, 1964, in Aranda de Duero, Burgos, Spain. He is widely recognized for his extensive work in dubbing for Spanish-language versions of films, television series, and video games. Bajo entered the dubbing profession in the late 1980s after completing a course organized by APADEMA, the Professional Association of Dubbing Actors of Madrid, a time when the industry was expanding due to the rise of home video and private television channels.

He has become one of the most prominent voice actors in Spain, known for a deep voice register that has made him the regular Spanish dubbing voice for numerous international actors, including Charlie Sheen, Jeff Goldblum, Michael Keaton, and William Fichtner. His career encompasses a vast number of roles, with participation in over two thousand dubbing projects.

In the realm of anime and animated feature dubbing, Bajo has portrayed several notable characters. He is the Spanish voice of the legendary Pokémon Mewtwo, a role he has performed across multiple projects, including the film Mewtwo Strikes Back Evolution and the television series Pokémon Journeys: The Series. He also voiced the antagonist Grings Kodai in the Pokémon film Zoroark: Master of Illusions. His other prominent anime roles include Kazuo Yamashita in the series Kengan Ashura, Sparrowhawk in the Studio Ghibli film Tales from Earthsea, and the Joker in the animated film Batman Ninja. Additional credits include Gendo Ikari in the Netflix Spanish dub of Neon Genesis Evangelion and its associated films, as well as characters in long-running series such as One Piece, where he has voiced Barbablanca (Whitebeard) and Dios Ener (Enel).

Beyond his anime work, Bajo's career is marked by high-profile dubbing roles in Western animation and live-action series. He is the Spanish voice of Brian Griffin from Family Guy and the title character in BoJack Horseman. His extensive video game voice work includes the lead role of Sam Fisher in the Splinter Cell series, Jim Raynor in StarCraft II, and Lieutenant Hank Anderson in Detroit: Become Human. In 2018, he received the Premio Take award for Best Television Dubbing Actor.