John Kassir and Tom Kenny both voice this one character?
Ice King
Adventure Time (pilot)
"Adventure Time" is an animated short created by Pendleton Ward, as well as the pilot to the Cartoon Network series of the same name.
 The short follows the adventures of Pen (voiced by Zack Shada), a human boy, and his best friend Jake (voiced by John DiMaggio), a dog with magical powers to change shape and grow and shrink at will.
 In this episode, Pen and Jake have to rescue Princess Bubblegum (voiced by Paige Moss) from the antagonistic Ice King (voiced by John Kassir).
Ice King
The Ice King is a character in the American animated television series "Adventure Time".
 A supposedly evil wizard capable of creating and manipulating ice and snow, he is the self-proclaimed king of the Ice Kingdom, a land of ice he claimed as his own where he lives in the company of many penguins.
 Although technically an antagonist, he sometimes helps the main characters and is the protagonist of several episodes focusing on his struggles or backstory.
 The character is voiced by Tom Kenny.
Scooter (talking baseball)
Scooter is an animated character used by Fox Sports during Major League Baseball games.
 The character, a baseball with human facial characteristics, is voiced by Tom Kenny (best known for his work as the voice of SpongeBob SquarePants) and was designed by Fox to explain different types of pitches with the education of children in mind. Secrets of the Cryptkeeper's Haunted House
Secrets of the Cryptkeeper’s Haunted House was a children's Saturday-morning game show that ran on CBS.
 It premiered on September 14, 1996 and lasted until August 23, 1997.
 It featured the Cryptkeeper of "Tales from the Crypt" (with John Kassir as the voice) now serving as an announcer.
 It is the last TV series in the "Tales From the Crypt" franchise. Channels (film)
Channels, released in 2008, is love story sometimes described as delving into thoughts of existentialism.
 The film was written, directed, produced and acted in by Nat Christian.
 The film stars Kim Oja, Nat Christian, Ed Asner, John Kassir, Joan Van Ark and Taylor Negron.
 Ann Marcus executive produced.
 The production company was Olliewood Films, Inc. Kung Fu Magoo
Kung Fu Magoo is a Mexican-American animated action comedy film based on the "Mr. Magoo" character, created by Millard Kaufman and John Hubley.
 This film was produced by Classic Media, Ánima Estudios, and Santo Domingo Films.
 This film was also produced by Motion Toons, a new animation studio created in conjunction of Ánima Estudios, and Santo Domingo Films.
 English voice-cast stars Dylan and Cole Sprouse, Alyson Stoner and voice actors Tom Kenny, Rodger Bumpass, Jim Conroy, Chris Parnell, and Maile Flanagan. I Know That Voice
I Know That Voice is a documentary about American voice acting.
 It premiered on November 6, 2013, at Grauman's Egyptian Theatre.
 It is narrated by John DiMaggio, the voice of Bender on "Futurama" and Jake on "Adventure Time", and stars DiMaggio and many other voice actors, including Billy West, Tara Strong, Tom Kenny, Grey DeLisle, June Foray, Rachael MacFarlane, Mark Hamill, Ed Asner, Robin Atkin Downes, and Pamela Adlon. 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". The Amanda Show
The Amanda Show is an American live action sketch comedy and variety show created by Dan Schneider that aired on Nickelodeon on April 4, 1999 as a pilot, then as a regular series from October 16, 1999 to September 21, 2002.
 It starred Amanda Bynes, Drake Bell and Nancy Sullivan, and featured John Kassir, Raquel Lee, and Josh Peck.
 The show was a spin-off from "All That", in which Bynes had co-starred for several years.
 The show was cancelled at the end of 2002.
 Writers for the show included Schneider, John Hoberg, Steven Molaro, and Andrew Hill Newman. And Then There Was Eve
And Then There Was Eve is a 2017 American drama film, directed by Savannah Bloch.
 It stars Tania Nolan, Rachel Crowl, Mary Holland, Karan Soni, and John Kassir.