Bunsen Honeydew to Dr. Pinhole Burns. He is the founder of Muppet Labs. Both scientists were later incorporated into the "Muppet Babies" animated series. Howie Mandel and Dave Coulier voiced Bunsen, and Frank Welker provided Beaker's squeaky meeps. Bunsen made an appearance in "Little Muppet Monsters" voiced by Bob Bergen. Following Richard Hunt's death in 1992, the role of Beaker was taken over by Steve Whitmire. In a 2004 Internet poll sponsored by the BBC and the British Association for the Advancement of Science, Beaker and Dr. Bunsen Honeydew were voted Britain's favourite cinematic scientists. They beat Mr. Spock, their closest rival,
The Muppets Studios (known then as Disney-MGM Studios) for a year. Muppet*Vision 3D, a 4D film attraction that uses audio-animatronic Muppets and 4D effects, then opened at Disney's Hollywood Studios on May 16, 1991. The attraction is notable for being the final Muppets project to be produced by Jim Henson. Muppet*Vision 3D had a subsequent opening at Disney California Adventure, on February 8, 2001, and operated there until its closure in 2014. In addition to their main presence at Disney's Hollywood Studios, the Muppets also appear in "Great Moments in American History", a live show at the Magic Kingdom and the Muppet