Here are some of the most notable projects he worked on:
Movies:
* Darth Vader in the Star Wars saga: From "Star Wars: Episode IV – A New Hope" (1977) to "Star Wars: Episode VI – Return of the Jedi" (1983), he was the Spanish voice of the legendary villain.
* The Terminator in "The Terminator" (1984) and "Terminator 2: Judgment Day" (1991).
* Jack Nicholson's characters in several films: Notably, The Joker in "Batman" (1989) and Jack Torrance in "The Shining" (1980).
* Other iconic roles: He also voiced characters like James Earl Jones in "Conan the Barbarian" (1982) and Charlton Heston in "Planet of the Apes" (1968), amongst others.
Television:
* He voiced several characters in popular animated series: He was the voice of Homer Simpson in "The Simpsons", Fred Flintstone in "The Flintstones", and the Narrator in "The Smurfs", amongst many others.
* He also dubbed many foreign TV shows and series: His voice was heard in classic programs like "Knight Rider", "MacGyver", and "The A-Team".
Constantino Romero's impact on Spanish-speaking audiences is significant. He brought to life memorable characters, making them more accessible to a wider audience and leaving an indelible mark on pop culture.