Question: What is the middle name of the actor who voiced the robot barber in short film Modern Inventions ?

full_context: Document 1: Building a Building: Building a Building is a 1933 American animated short film produced by Walt Disney Production and released by United Artists. A remake of the 1928 Oswald the Lucky Rabbit film "Sky Scrappers", the cartoon depicts Mickey Mouse working at a construction site under the supervision of Peg-Leg Pete while Minnie Mouse is selling box lunches to the workers. It was directed by David Hand, his first directorial assignment at Disney, and features the voices of Walt Disney as Mickey, Marcellite Garner as Minnie, and Billy Bletcher as Pete.
Document 2: Der Fuehrer's Face: Der Fuehrer's Face (originally titled Donald Duck in Nutzi Land) is a 1943 American animated anti-Nazi propaganda short film produced by Walt Disney Productions and released in 1943 by RKO Radio Pictures. The cartoon, which features Donald Duck in a nightmare setting working at a factory in Nazi Germany, was made in an effort to sell war bonds and is an example of American propaganda during World War II. The film was directed by Jack Kinney and written by Joe Grant and Dick Huemer from the original music by Oliver Wallace. The film is well known for Wallace's original song "Der Fuehrer's Face", which was actually released earlier by Spike Jones.
Document 3: Good Scouts: Good Scouts is a 1938 American animated short film produced by Walt Disney Productions and released by RKO Radio Pictures. The cartoon follows Donald Duck leading his nephews Huey, Dewey, and Louie on a scouting trip through the wilderness. It was directed by Jack King and features Clarence Nash as Donald and the three nephews.
Document 4: Cliff Edwards: Clifton Avon Edwards (June 14, 1895 – July 17, 1971) — known as "Ukulele Ike" — was an American singer, actor and voice actor who enjoyed considerable popularity in the 1920s and early 1930s, specializing in jazzy renditions of pop standards and novelty tunes. He had a number-one hit with "Singin' In The Rain" in 1929. He also did voices for animated cartoons later in his career, and is best known as the voice of Jiminy Cricket in Walt Disney's "Pinocchio" (1940) and Fun and Fancy Free (1947).
Document 5: Donald's Crime: Donald's Crime is a 1945 animated short film produced by Walt Disney Productions and released by RKO Radio Pictures. The cartoon, which parodies film noir crime dramas of the time, follows Donald Duck as he struggles with guilt after stealing $1.25 from his nephews. The film was directed by Jack King and features original music by Edward H. Plumb. The voice cast includes Clarence Nash as Donald, Huey, Dewey, and Louie, Gloria Blondell as Daisy Duck, and Sterling Holloway as the off-stage voice of Donald's conscience. This was Blondell's first performance as Daisy and marks the debut of the character's "normal" voice. Previously in "Mr. Duck Steps Out", Daisy had been voiced by Nash using a voice similar to Donald's.
Document 6: Clarence Nash: Clarence Charles "Ducky" Nash (December 7, 1904 – February 20, 1985) was an American voice actor. He is best known for the Disney cartoon character Donald Duck, whose distinctive voice he provided for 50 years, also known as the voice of Daisy Duck in 1940. He was born in the rural community of Watonga, Oklahoma, and a street in that town is named in his honor. In 1993, he was posthumously made a Disney Legend for his contributions to Walt Disney films.
Document 7: Clock Cleaners: Clock Cleaners is a 1937 American animated short film produced by Walt Disney Productions and released by RKO Radio Pictures. The cartoon follows Mickey Mouse, Donald Duck, and Goofy working as janitors in a tall clock tower. The film was directed by Ben Sharpsteen and features original music by Paul Smith and Oliver Wallace. The voice cast includes Walt Disney as Mickey, Clarence Nash as Donald, and Pinto Colvig as Goofy.
Document 8: When You Wish Upon a Star: "When You Wish Upon a Star" is a song written by Leigh Harline and Ned Washington for Walt Disney's 1940 adaptation of "Pinocchio". The original version was sung by Cliff Edwards in the character of Jiminy Cricket, and is heard over the opening credits and in the final scene of the film. The song has since become the representative song of The Walt Disney Company. The recording by Cliff Edwards and Chorus was released by Victor Records as catalogue number 261546 and 26477A (in the US) and by EMI on the His Master's Voice Label as catalogue number BD 821.
Document 9: Jimmy Durante: James Francis Durante (February 10, 1893 – January 29, 1980) was an American singer, pianist, comedian, and actor. His distinctive clipped gravelly speech, New York accent, comic language-butchery, jazz-influenced songs, and prominent nose helped make him one of America's most familiar and popular personalities of the 1920s through the 1970s. He often referred to his nose as "the Schnozzola" (from the German "Schnauze" [nose]), and the word became his nickname.
Document 10: Don Donald: Don Donald is a 1937 American animated short film produced by Walt Disney Productions and released by United Artists. The cartoon follows Donald Duck attempting to woo a female Mexican duck named Donna. It was directed by Ben Sharpsteen and features music by Paul J. Smith which was adapted from the Mexican folk songs "Cielito Lindo" and "Jarabe Tapatío." Clarence Nash voiced both Donald and Donna.
Document 11: Frank Duck Brings 'Em Back Alive: Frank Duck Brings 'Em Back Alive is a 1946 animated short film produced by Walt Disney Productions and released by RKO Radio Pictures. In this installment of the "Donald & Goofy" series, Donald Duck appears as "Frank Duck", a jungle explorer determined to capture a live "wild man", played by Goofy. The film was directed by Jack Hannah and features the voices of Clarence Nash as Donald and Pinto Colvig as Goofy.
Document 12: James Baskett: James Baskett (February 16, 1904 – July 9, 1948) was an American actor known for his portrayal of Uncle Remus, singing the song "Zip-a-Dee-Doo-Dah" in the 1946 Disney feature film "Song of the South". In recognition of his warm portrayal of the famous black storyteller he was given an Honorary Academy Award, making him the first black male performer to receive an Oscar.
Document 13: Modern Inventions: Modern Inventions is a 1937 American animated short film produced by Walt Disney Productions and released by United Artists. The cartoon follows Donald Duck as he tours the fictional Museum of Modern Marvels. It was directed by Jack King, his first project at the Disney studio, and features original music by Oliver Wallace. The voice cast includes Clarence Nash as Donald, Billy Bletcher as the Robot Butler, and Cliff Edwards as the Robot Barber.
Document 14: Tiny Tim (musician): Herbert Buckingham Khaury (April 12, 1932 – November 30, 1996), known professionally as Tiny Tim, was an American singer, most of the time ukulele player, and musical archivist. He is best remembered for his cover hits "Tiptoe Through the Tulips" and "Livin' in the Sunlight, Lovin' in the Moonlight" which are sung in a high falsetto/vibrato voice.
Document 15: Pinto Colvig: Vance DeBar "Pinto" Colvig (September 11, 1892 – October 3, 1967) was an American vaudeville actor, voice actor, radio actor, newspaper cartoonist, and circus performer, whose schtick was playing the clarinet off-key while mugging. Colvig was the original Bozo The Clown, and the original voice of the Disney character Goofy. In 1993, he was posthumously made a Disney Legend for his contributions to Walt Disney films, including "Snow White and the Seven Dwarfs" and "Fun and Fancy Free".
ground_truth: Avon