Question: Geoff Peterson is an animatronic human skeleton that served as the sidekick on the late-night talk show "The Late Late Show with Craig Ferguson", often referred to as a "robot skeleton", Peterson is a radio-controlled robot puppet, are animatronics refers to the use of robotic devices to emulate a human or an animal, or bring lifelike characteristics to an otherwise inanimate object, was designed and built by who, of "MythBusters"?

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The Late Late Show (U.S. TV series): The Late Late Show is an American late-night television talk and variety show on CBS.  It first aired in January 1995, with host Tom Snyder, followed by Craig Kilborn and Craig Ferguson.  It is currently hosted by James Corden.  The show originates from CBS Television City in Los Angeles.

The Late Late Show with Craig Ferguson: The Late Late Show with Craig Ferguson is an American late-night talk show hosted by Scottish American comedian Craig Ferguson.  It was the third iteration of the "Late Late Show" franchise, airing from 2005 to 2014.  It followed the "Late Show with David Letterman" in the CBS late-night lineup, airing weekdays in the U.S. at 12:37 a.m. Taped in front of a live studio audience from Monday to Friday at CBS Television City in Los Angeles, California, directly above the Bob Barker Studio (Studio 33), it was produced by David Letterman's production company Worldwide Pants Incorporated and CBS Television Studios.

The Late Late Show (Irish TV series): The Late Late Show, with its title often shortened to The Late Late, is an Irish chat show.  It is the world's second longest-running late-night talk show, after the American "The Tonight Show".  Perceived as the official flagship television programme of Ireland's public service broadcaster Raidió Teilifís Éireann (RTÉ), it is regarded as an Irish television institution (even abroad) and is broadcast live across two hours plus in front of a studio audience on Friday nights between September and May at 21.30.

Puppeteer: A puppeteer is a person who manipulates an inanimate object that might be shaped like a human, animal or mythical creature, or quite easily might be any kind of object to create the illusion that the puppet is "alive."  The puppeteer may be visible to or hidden from the audience.  A puppeteer can operate a puppet indirectly by the use of strings, rods, wires, electronics or directly by his or her own hands placed inside the puppet or holding it externally or any other part of the body- such as the legs.  Some puppet styles require two or more puppeteers to work together to create a single puppet character.

Late Show with David Letterman: Late Show with David Letterman is an American late-night talk show hosted by David Letterman on CBS, the first iteration of the "Late Show" franchise.  The show debuted on August 30, 1993, and was produced by Letterman's production company, Worldwide Pants Incorporated and CBS Television Studios.  The show's music director and leader of the house band, the CBS Orchestra, was Paul Shaffer.  The head writer was Matt Roberts and the announcer was Alan Kalter.  Of the major U.S. late-night programs, "Late Show" ranked second in cumulative average viewers over time and third in number of episodes over time.  In most U.S. markets the show aired from 11:35 p.m. to 12:37 a.m. Eastern and Pacific Time, and recorded Monday through Wednesdays at 4:30 p.m., and Thursdays at 3:30 p.m. and 6:00 p.m. Eastern Time.  The second Thursday episode usually aired on Friday of that week.

Josh Robert Thompson: Josh Robert Thompson (born March 11, 1975) is an American voice actor, actor, comedian, and impressionist.  He is best known for his work on "The Late Late Show with Craig Ferguson", providing the voice of robot skeleton Geoff Peterson along with numerous characters and impersonations, as well as his celebrity impersonations on "Family Guy" and "The Howard Stern Show".  He appeared in a lead role in the 2014 romantic comedy "Nowhere Girl".

Geoff Peterson: Geoff Peterson is an animatronic human skeleton that served as the sidekick on the late-night talk show "The Late Late Show with Craig Ferguson".  He was voiced and operated by Josh Robert Thompson and first appeared on "The Late Late Show" on April 5, 2010.  Often referred to as a "robot skeleton", Peterson is a radio-controlled animatronic robot puppet designed and built by Grant Imahara of "MythBusters".  He has glowing blue eyes, a metal mohawk (which is sometimes covered by a Santa Claus hat in December) and wears an oversized suit with his name scrawled on a contestant's name tag from "The Price Is Right" on his jacket, as well as Mardi Gras beads and a Super Bowl XLVII press pass around his neck.  He serves as a co-host of sorts and Ferguson refers to him as "my gay robot pal".  He was most visible during the first half of the show (the cold openings, monologues, and Tweets and Emails segments) and the final segment, "What Did We Learn on the Show Tonight, Craig?" .

Craig Ferguson: Craig Ferguson (born 17 May 1962) is a Scottish-American television host, comedian, and actor.  He is the host of both the syndicated game show "Celebrity Name Game" (2014–2017), for which he has won two Daytime Emmy Awards, and of "Join or Die with Craig Ferguson" (2016–) on History.  He was also the host of the CBS late-night talk show "The Late Late Show with Craig Ferguson" (2005–2014).

Animatronics: Animatronics refers to the use of robotic devices to emulate a human or an animal, or bring lifelike characteristics to an otherwise inanimate object.  A robot designed to be a convincing imitation of a human is more specifically labeled as an android.  Modern animatronics have found widespread applications in movie special effects and theme parks and have, since their inception, been primarily used as a spectacle of amusement.

The Late Late Show with James Corden: The Late Late Show with James Corden (also known as Late Late) is an American late-night talk show hosted by James Corden on CBS.  It is the fourth iteration of "The Late Late Show".  Airing in the U.S. from Monday to Friday nights, it is taped in front of a studio audience Monday through Thursday afternoons – during weeks in which first-run episodes are scheduled to air – at CBS Television City in Los Angeles, California in Studio 56, directly above the Bob Barker Studio (Studio 33).  It is produced by Fulwell 73 and CBS Television Studios.

Supporting paragraphs: Geoff Peterson Animatronics
Answer: Grant Imahara