United Kingdom and Scandinavia—he is replaced by Irish and British narrators Robin Banks or Daisy Beaumont. Rufus Hound narrates the version of the show that aired on the BBC. Lee returned to narrate the revival MythBusters: The Search as well, and he followed this with the narration for MythBusters Jr. This makes him the longest continuous serving member of the franchise. Eric Haven Eric Haven is a former comic book artist who draws the blueprint drawings used to introduce each episode, as was revealed in the 2012 season's "Mailbag Special". He took over the job from the MythBusters (Savage and Hyneman) and the former Build Team (Byron, Belleci, and Imahara). He has been a researcher for the program for 33 episodes from 2004 to 2005 and served as an associate producer from 2005 until 2012 for 143 episodes. Since the broadcast of Season 13, he has been credited as a producer for the show. Guests Helpers Many people have come on the show to provide assistance with the myths. : Heather Joseph-Witham is a folklorist whose extensive research in urban legends, myths, and folklore led her to be tapped for information by the MythBusters team. She appeared on camera in the three pilot episodes and the entire thirteen-episode first season. Joseph-Witham's role on the show ended after the third episode of the second season. She received her doctorate from the now defunct Folklore and Mythology Program at UCLA in 1998. She is currently an associate professor at Otis College of Art and Design in Los Angeles, California. : Frank Doyle is a retired FBI agent who appeared in the myths "Cement Mix-Up", "Exploding Gas Tank", "Exploding Pants", "Crimes and Myth-Demeanors 2", "Exploding Nitro Patches", "Voice Flame Extinguisher", and others. Frank assisted the MythBusters by helping load a cement truck with 850 pounds of explosives to cause its destruction. He also provided the tracer ammunition for the revisit of the myth that shooting a gas tank can cause it to explode "Car Capers" revisit. He also supervised the making of the explosives for the "Exploding Pants" myth. Doyle has since become somewhat of a regular on the show, helping with many explosives that are used. : Erik Gates was a rocketry expert who appeared in the episodes JATO Chevy, Ming Dynasty Astronaut, Swingset 360, Confederate Rocket, and Salami Rocket. Erik provided rockets and his rocketry expertise in several myths, starting with