Question: What character, voiced by Dan Castellaneta, starred in the second episode of the twenty-second season of The Simpsons?

Context paragraphs:
The Ned-Liest Catch: "The Ned-Liest Catch" is the twenty-second episode and season finale of the twenty-second season of "The Simpsons".  It originally aired on the Fox network in the United States on May 22, 2011.  This is the second season finale to end on a cliffhanger, with the first being "Who Shot Mr. Burns? " from the sixth season.  It is the third episode and the second one from season 22 (the other being "The Great Simpsina") to have no opening credits, blackboard or couch gag.

Barney Gumble: Barnard "Barney" Gumble is a fictional character on the American animated sitcom "The Simpsons".  The character is voiced by Dan Castellaneta and first appeared in the series premiere episode "Simpsons Roasting on an Open Fire".  He is the town drunk of Springfield and Homer Simpson's best friend.  His desperation for alcohol is a frequent butt of jokes on the show.  Barney sobered up in the episode "Days of Wine and D'oh'ses", which was co-written by Castellaneta, and stayed sober for several seasons.  Barney was inspired by the cartoon character Barney Rubble from "The Flintstones" and by several barflies from other television programs.  In 2004, Castellaneta won an Emmy Award for voicing various characters, including Barney.

Dan Castellaneta filmography: The following is a complete filmography of the actor Dan Castellaneta.  Active since the 1980s, Castellaneta has appeared in numerous films, television series and video games.  Along with his live-action work, he has often worked as a voice actor, including for his longest-running role as Homer Simpson in the animated sitcom "The Simpsons".  Castellaneta has also written six episodes of the show with his wife Deb Lacusta, and has won three Primetime Emmy Awards Outstanding Voice-Over Performance for it.

Genie (Disney): The Genie is a jinni appearing in the "Aladdin" franchise from Disney.  He is never given a proper name.  He was voiced by Robin Williams in the first film.  Following a contract dispute between Williams and the Walt Disney Company, Dan Castellaneta voiced the Genie throughout the direct-to-video feature "The Return of Jafar", as well as the television series, before Williams reprised the role for the final installment, "Aladdin and the King of Thieves", as well as for the character's own mini-series, "Great Minds Think for Themselves".  Castellaneta voiced the Genie in "Aladdin in Nasira's Revenge" and later the "Kingdom Hearts" series of video games by Square Enix and Disney Interactive Studios for both "Kingdom Hearts" and "Kingdom Hearts II" (with archived audio used in other Kingdom Hearts games).  Jim Meskimen took over the role in "Disney Think Fast" (2008) and "Kinect Disneyland Adventures" (2011) and currently voices him, after Williams' death in 2014.

The Great Simpsina: "The Great Simpsina" is the eighteenth episode of "The Simpsons"' twenty-second season.  It originally aired on the Fox network in the United States on April 10, 2011.  It was written by Matt Warburton and directed by Chris Clements.  It is the second episode to have no blackboard nor couch gag added on the opening credits, with the first being "Sideshow Bob Roberts" from seventeen years earlier.  Following its broadcast, the episode received mixed reviews from critics.

The Itchy &amp; Scratchy Show: The Itchy & Scratchy Show (often shortened as Itchy & Scratchy) is a running gag and fictional animated television series featured in the American animated television series "The Simpsons".  It usually appears as a part of "The Krusty the Clown Show", watched regularly by Bart Simpson and Lisa Simpson.  Itself an animated cartoon, "The Itchy & Scratchy Show" depicts a sadistic anthropomorphic blue mouse, Itchy (voiced by Dan Castellaneta), who repeatedly maims and kills an anthropomorphic, hapless threadbare black cat, Scratchy (voiced by Harry Shearer).  The cartoon first appeared in "The Tracey Ullman Show" short "The Bart Simpson Show", which originally aired November 20, 1988.  The cartoon's first appearance in "The Simpsons" was in the 1990 episode "There's No Disgrace Like Home".  Typically presented as 15-to-60-second-long cartoons, the show is filled with gratuitous violence.  "The Simpsons" also occasionally features characters who are involved with the production of "The Itchy & Scratchy Show", including Roger Meyers Jr. (voiced by Alex Rocco, and, later, Hank Azaria), who runs the studio and produces the show.

Clown in the Dumps: "Clown in the Dumps" is the season premiere of the twenty-sixth season of the American animated television series "The Simpsons", and the 553rd episode of the series overall.  It first aired in the United States on the Fox network on September 28, 2014, with "The Simpsons Guy", a crossover episode of "Family Guy" with "The Simpsons", airing afterwards.  This episode was dedicated in memory of Louis Castellaneta, the father of "The Simpsons" voice actor Dan Castellaneta.  It was written by Joel H. Cohen and directed by Steven Dean Moore, with Don Hertzfeldt directing a sequence in the opening titles.  Jeff Ross, Sarah Silverman and David Hyde Pierce guest starred as themselves, with Jackie Mason and Kelsey Grammer reprising their respective roles as Rabbi Krustofski and Sideshow Bob, while Maurice LaMarche voiced several minor characters.

Grampa Simpson: Abraham Jedediah Simpson II, often known as Grampa, is a fictional character in the animated television series "The Simpsons".  He made his first appearance in the episode entitled "Grampa and the Kids", a Simpsons short on "The Tracey Ullman Show".  Voiced by Dan Castellaneta, he is the father of Homer Simpson and the grandfather of Bart, Lisa and Maggie Simpson.  In the 1000th issue of "Entertainment Weekly", Grampa was selected as the Grandpa for "The Perfect TV Family".

Loan-a Lisa: "Loan-a Lisa" is the second episode of "The Simpsons"' twenty-second season.  It originally aired on the Fox network in the United States on October 3, 2010.  In the episode, Lisa helps fund Nelson's bicycle company with money Grampa Simpson gives her as part of his inheritance, but after Nelson meets Facebook founder Mark Zuckerberg and is convinced he can be successful by dropping out of school, Lisa tries to convince Nelson to stay in school.  Meanwhile, Homer gets addicted to buying expensive items and returning them.

Mr. Plow: "Mr. Plow" is the ninth episode of "The Simpsons"<nowiki>'</nowiki> fourth season.  It originally aired on the Fox network in the United States on November 19, 1992.  In the episode, Homer buys a snow plow and starts a business plowing driveways.  It is a huge success, and inspired by this, Barney Gumble starts a rival company and quickly puts Homer out of business.  The episode was written by Jon Vitti and directed by Jim Reardon.  The episode was well received, with some critics calling it one of the best in the show's history.  In 1993, Dan Castellaneta won his second Emmy Award for "Outstanding Voice-Over Performance" for this episode.  The episode was also submitted in the "Outstanding Comedy Series" category although ultimately it was not nominated.

Supporting paragraphs: Loan-a Lisa Grampa Simpson
Answer: Grampa Simpson