Question: What actor who is known for his role in The Pagemaster as well as being the voice of Fred in Scooby Doo, voices the nibbler in Futurama?

Context paragraphs:
Billy West: William Richard West (born April 16, 1952) is an American voice actor, singer, comedian, musician, songwriter and former radio personality who is known for his voice-over work in a number of television series, films, video games and commercials.  He has done hundreds of voice-overs in his career such as Ren (season 3 to season 5) and Stimpy on "The Ren & Stimpy Show"; Doug Funnie and Roger Klotz on "Doug"; and Philip J. Fry, Professor Farnsworth, Dr. Zoidberg, Zapp Brannigan and a number of others on "Futurama".  He does voices for commercials and is the current voice of the red M&M and was also the voice of Buzz, the Honey Nut Cheerios Bee until 2004.  In addition to his original voices, he has voiced Bugs Bunny, Elmer Fudd, Shaggy Rogers, Popeye and Woody Woodpecker during later renditions of the respective characters.  He was a cast member on "The Howard Stern Show", noted for his impersonation of The Three Stooges' Larry Fine.

John Kassir: John Kassir (born October 24, 1957) is an American actor, voice actor and comedian.  He is known as the voice of the Crypt Keeper in HBO's "Tales from the Crypt" franchise.  Kassir is also known for his role as Ralph in the Off-Broadway show "Reefer Madness", as well as its film adaptation, as well as his voice over work as Buster Bunny (taking over for Charlie Adler late in the final season of "Tiny Toon Adventures"), Ray "Raymundo" Rocket on "Rocket Power", the mischievous raccoon Meeko in "Pocahontas" and its direct-to-video sequel, Jibolba in the "Tak and the Power of Juju" video game series, and the current voices of Pete Puma in "The Looney Tunes Show", and Deadpool in "" and the "" series.  He has also recently done the voice of Rizzo for the newest Spyro game, , and voiced Ghost Roaster in "", as well as Short Cut in "" and Pit Boss in "".  He is also known for his various roles in season 1 of "The Amanda Show".  He voiced the Ice King in the Adventure Time (pilot) but was replaced by Tom Kenny for the series.  He also provided additional voice over work for "Sonic the Hedgehog", "Eek!  The Cat", "The Brothers Flub", "Dead Rising", "Casper's Scare School", "Spider-Man 3", "", "Diablo III", "Monsters University", "The Prophet", "" and "The Secret Life of Pets".

Tania Gunadi: Tania Gunadi (born 29 July 1983) is an Indonesian-American actress best known for her films such as "The Jetsons" (2017), "Scooby Doo" (2016), "Snow Bride" (2015), "Such Good People" (2014), "Zambezia" (2013), "Possession" (2012), "Bob Funk" (2009), Hallmark Hall of Fame "The Magic of Ordinary Days (2006)" along with Disney Channel original films "Pixel Perfect" (2005), "Go Figure" (2004).

The Pagemaster: The Pagemaster is a 1994 American live-action/animated fantasy adventure film starring Macaulay Culkin, Christopher Lloyd, Whoopi Goldberg, Patrick Stewart, Leonard Nimoy, and Frank Welker.  The film was produced by Turner Pictures and released by 20th Century Fox on November 23, 1994.

Mark Elliot (voice-over artist): Mark Elliot (born September 24, 1939) is an American voice-over artist best known as the primary voice for Walt Disney Entertainment from 1983 to 2008.  He also provided voice overs for trailers of non-Disney films, logos, feature presentation bumpers and commercials.  He's well known for his voice overs in theatrical and home video trailers for films produced by The Walt Disney Studios from the 1980s to the 2000s.  He was also the voice of CBS and FOX throughout the 1980s and 1990s, and various theatrical trailers for such non-Disney animated movies as "All Dogs Go to Heaven", "The Seventh Brother", "Rover Dangerfield", "Rock-A-Doodle", "", "The Magic Voyage", "The Thief and the Cobbler", "Once Upon a Forest", "The Princess And The Goblin", "Andre", "Asterix Conquers America", "The Swan Princess", "The Pagemaster", "The Pebble and the Penguin", "Balto", "All Dogs Go to Heaven 2", "Tiny Heroes" ("Vacak 2 - az erdő hőse"), "Zeus and Roxanne", "The Fearless Four", "The Prince of Egypt", "The Adventures of Brer Rabbit", "", "House Arrest", and "".  In addition to his behind-the-scenes work, Elliott starred with four other notable voice artists in the 1997 short film "5 Men and a Limo".  One of his most well-known voice-overs for Disney is the catchphrase "And now, our feature presentation," which he says at the start of most animated Disney films on video on a "Feature Presentation" bumper.

Frank Welker: Franklin Wendell Welker (born March 12, 1946) is an American actor, who for most of his career has specialized as a voice actor.  He is best known for his role as Fred Jones from the "Scooby-Doo" franchise since its conception in 1969, as the only original voice actor still with the "Scooby-Doo" franchise, along with the voice of Megatron in the "Transformers" franchise, specifically "Transformers G1" and "", as well as Scooby-Doo since 2002.  He is also well known as both the vocal effects and the voice of Nibbler in "Futurama".

Macaulay Culkin: Macaulay Carson Culkin (born August 26, 1980) is an American actor.  He became famous as a child actor for his role as Kevin McCallister in the family comedy "Home Alone" (1990) and its sequel "" (1992).  He is also known for his roles in "Uncle Buck" (1989), "My Girl" (1991), "The Good Son" (1993), "The Pagemaster" (1994), "Richie Rich" (1994), "Party Monster" (2003), and the music video for Michael Jackson's "Black or White".  At the height of his fame, he was regarded as the most successful child actor since Shirley Temple.  Culkin ranked at number two on VH1's list of the "100 Greatest Kid-Stars" and E!'s list of the "50 Greatest Child Stars".

Scooby-Doo (video game): Scooby-Doo (also known as Scooby Doo in the Castle Mystery) is a video game based on the television character of the same name.  The game was developed in 1986 by Gargoyle Games for the Amstrad CPC, Commodore 64, ZX Spectrum and the Commodore Plus/4 personal computers.

Phil LaMarr: Phillip "Phil" LaMarr (born January 24, 1967) is an American actor, voice actor, comedian and impressionist.  He was one of the original cast members on the sketch comedy series "MADtv", and has had an extensive voice acting career, with major roles spanning animated series "Justice League"/"Justice League Unlimited", "Futurama", "Samurai Jack", "Static Shock", and "Foster's Home for Imaginary Friends".  He has also done voices for video games such as "" and "", "", the "Jak and Daxter" series, "Darksiders", "Final Fantasy XII", "inFAMOUS", and "Dead Island".

Fred Figglehorn: Fred Figglehorn (stylized on webpage and on T-shirts as FЯED) is a fictional character created and portrayed by American actor Lucas Cruikshank.  Fred is a six-year-old boy with a high-pitched voice, dysfunctional home life, and "anger management issues."  Cruikshank, a teenager from Columbus, Nebraska, created the "Fred" video series for his channel on the video-sharing website YouTube, to center on the Fred character.  Although Cruikshank voices Fred, the audio is digitally altered to sound higher-pitched than Cruikshank's true voice.

Supporting paragraphs: The Pagemaster Frank Welker
Answer: Frank Welker