Benjamin "Ben" Burtt, Jr. (born July 12, 1948) is an American sound designer, film editor, director, screenwriter, and voice actor. He has worked as sound designer on various films, including the Star Wars and Indiana Jones film series, Invasion of the Body Snatchers (1978), E.T. the Extra-Terrestrial (1982), WALL-E (2008) and Star Trek (2009).
He is most notable for popularizing the Wilhelm scream in-joke and creating many of the iconic sound effects heard in the Star Wars film franchise, including the "voice" of R2-D2, the lightsaber hum, the sound of the blaster guns, and the heavy-breathing sound of Darth Vader, made from himself breathing into a scuba regulator. Burtt is also known for "voicing" the title character, Wall-E, in the 2008 Pixar movie WALL-E. He also created the robotic sound of Wall-E's voice, along with all the other characters in WALL-E, and was the sound editor of the movie.
The winner of four Academy Awards (two of which are Special Achievement Academy Awards), he is the director of various documentary films. He is also the editor of the Star Wars prequel trilogy.