Grant Masaru Imahara was an American electrical engineer, roboticist, television host, and actor. He is best known for his work on the television series MythBusters, on which he designed and built numerous robots and specialized in operating computers and electronics to test myths. Imahara began his career at Lucasfilm, where he worked in the THX division as an engineer and in the Industrial Light & Magic division in visual effects. His work is featured in films from franchises such as Star War ...