Four-time Oscar winner Ben Burtt has crafted and created sounds we all know—from the heavy-breathing of Darth Vader to the pops and squeaks of R2D2, not to mention the voices of WALL-E and E.T. the Extra-Terrestrial. He's been obsessed with sounds since he was a boy and has never lost that passion, which comes through in everything he does—including this interview with two of his biggest fans, Leonard and Jessie. (Did someone say Wilhelm?)