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 Wars, Jurassic Park, The Matrix, and Terminator. His first foray into television was on the robot combat series BattleBots, for which he designed and competed with his robot Deadblow and later returned as a judge. In 2005, Imahara joined the cast of Mythbusters as a member of the Build Team, appearing in over 200 episodes of the series until his departure in 2014. He starred in the 2016 Netflix series White Rabbit Project alongside his MythBusters co-stars Kari Byron and Tory Belleci.

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