Question: Who created the fictional superhero as whom Karl Pruner did voice acting in the short-lived animated series "Silver Surfer"?

Context paragraphs:
Quasar (Wendell Vaughn): Quasar (Wendell Elvis Vaughn) is a fictional superhero appearing in American comic books published by Marvel Comics.  He is one of Marvel's cosmic heroes, a character whose adventures frequently take him into outer space or other dimensions.  However, Quasar deviates from the archetype of the noble, dauntless alien set by such Silver Age cosmic heroes as the Silver Surfer, Adam Warlock and Captain Mar-Vell in that he is an everyman.  He starred in an eponymous monthly ongoing series written by Mark Gruenwald that ran for sixty issues beginning in 1989 and has served as a member of The Avengers.  In 2012, Quasar was ranked 36th in IGN's list of "The Top 50 Avengers".

Beta Ray Bill: Beta Ray Bill is a fictional superhero appearing in American comic books published by Marvel Comics.  The character first appears in "Thor" #337 (November 1983) and was created by writer-artist Walt Simonson.

Silver Surfer: The Silver Surfer is a fictional superhero appearing in American comic books published by Marvel Comics.  The character also appears in a number of movies, television, and video game adaptations.  The character was created by Jack Kirby, and first appeared in the comic book "Fantastic Four" #48, published in 1966.

Fantastic Four: Rise of the Silver Surfer: Fantastic Four: Rise of the Silver Surfer (stylized as 4: Rise of the Silver Surfer) is a 2007 American-British-German superhero film, based on the Marvel Comics superhero team the Fantastic Four.  A sequel to the 2005 film "Fantastic Four", the film is directed by Tim Story.  Ioan Gruffudd as Reed Richards, Jessica Alba as Sue Storm, Chris Evans as Johnny Storm, and Michael Chiklis as Ben Grimm are the film series' recurring protagonists, while Julian McMahon and Kerry Washington reprise their roles from the first film as Victor Von Doom and Alicia Masters, respectively.  Beau Garrett appears as Frankie Raye, along with Doug Jones as the Silver Surfer, with Laurence Fishburne voicing the Surfer.  The plot follows the Fantastic Four as they confront the Silver Surfer and attempt to save Earth from Galactus.  The film grossed $289 million.  It was released on Blu-ray and DVD on October 2, 2007.

Sharman DiVono: Sharman DiVono is a science fiction novelist, short story writer and television writer.  Her novel "Blood Moon" (Dawbooks ISBN  ) is a murder mystery which takes place in the near-future of a United States base on the Moon.  Sharman's graphic novel, "Samurai, Son of Death," is the first collaboration between an American comicbook writer and a Japanese Manga artist, Hiroshi Hirata.  Sharman's short stories based on the Silver Surfer character have been published in Silver Surfer anthologies.  Her television writing has been of different genres altogether—comedy cartoons such as "DuckTales" and "Garfield and Friends" and the adventure cartoon series "".

Silver Surfer (comic book): Silver Surfer, or The Silver Surfer, is the title of several series of comic books published by Marvel Comics featuring the Silver Surfer.

Silver Surfer (TV series): Silver Surfer, also known as Silver Surfer: The Animated Series, is an animated television series based on the Marvel Comics superhero created by Jack Kirby.  The series aired for one season on the Fox Kids Network in 1998.

Voice acting in Japan: Voice acting in Japan is acting as a narrator, or as an actor in radio plays, or as a character actor in anime and video games.  It also involves performing voice-overs for non-Japanese movies and television programs.  Because Japan's large animation industry produces 60% of the animated series in the world, voice acting in Japan has a far greater prominence than voice acting in most other countries.

Karl Pruner: Karl Pruner is a Canadian actor whose most notable work is in portraying Canadian Prime Minister John Turner in the 2002 mini-series "Trudeau".  He did not play Turner in the sequel "" but did portray poet Frank Scott.  Amongst his other work, he did voice acting as Beta Ray Bill in the short-lived animated series "Silver Surfer".  In 2003 he appeared in "".  In 1999 Pruner played detective Ian Farve, a leading role in the television series "".

Friday: The Animated Series: Friday: The Animated Series was a short-lived animated television series based on the "Friday" film series.  The show is directed by Kevin Lofton and is co-produced and co-distributed by New Line Television, a subsidiary of New Line Cinema (the distributors of the "Friday" movies), MTV2, and Ice Cube's Cubevision.  The series only lasted for 8 episodes.

Supporting paragraphs: Karl Pruner Beta Ray Bill
Answer: Walt Simonson