Question: Homer's Odyssey is the third episode of the first season of "The Simpsons". What recurring character makes his first appearance in this episode?

full_context: Document 1: Treehouse of Horror (The Simpsons episode): "Treehouse of Horror" is the third episode of "The Simpsons"<nowiki>'</nowiki> second season. It originally aired on the Fox network in the United States on October 25, 1990. The episode was inspired by 1950s horror comics, and begins with a disclaimer that it may be too scary for children. It is the first Treehouse of Horror episode. These episodes do not obey the show's rule of realism and are not treated as canon. The opening disclaimer and a panning shot through a cemetery with humorous tombstones were features that were used sporadically in the "Treehouse of Horror" series and eventually dropped. This is also the first episode to have the music composed by Alf Clausen, taking over for Danny Elfman who also wrote the show's theme.
Document 2: Groundskeeper Willie: Dr. William MacDougal, usually known as Groundskeeper Willie, is a recurring character on "The Simpsons", voiced by Dan Castellaneta. He is the head groundskeeper at Springfield Elementary School. Willie is almost feral in nature and is immensely proud of his native Scotland. He is easily identifiable by his flaming red hair and beard, as well as his aggressive temperament and thick though inaccurate Scottish accent.
Document 3: Comic Book Guy: Comic Book Guy is the common, popular name for Jeffrey "Jeff" Albertson, a recurring fictional character in the animated television series "The Simpsons". He is voiced by Hank Azaria and first appeared in the second-season episode "Three Men and a Comic Book", which originally aired on May 9, 1991. Comic Book Guy is the proprietor of a comic book store, The Android's Dungeon & Baseball Card Shop. He is based on "every comic book store guy in America" and represents a stereotypical middle-aged comic-book collector. He is well known for his distinctive accent, disagreeable personality and his catchphrase, "Worst [blank] ever!"
Document 4: Homer's Odyssey (The Simpsons): "Homer's Odyssey" is the third episode of the first season of "The Simpsons". It originally aired on the Fox network in the United States on January 21, 1990. In this episode, Homer becomes a crusader for citizen safety in Springfield, and is promoted to his current position as Nuclear Safety Inspector for the entire power plant. It was written by Jay Kogen and Wallace Wolodarsky and was the first "Simpsons" script to be completed, although it was the third episode produced.
Document 5: Homer the Heretic: "Homer the Heretic" is the third episode of "The Simpsons"<nowiki>'</nowiki> fourth season. It originally aired on the Fox network in the United States on October 8, 1992. In the episode, Homer decides to forgo going to church and has an excellent time staying home. His behavior quickly attracts the wrath of God, who visits him in a dream. The episode was written by George Meyer and directed by Jim Reardon. The chalkboard gag from this episode was a reference to the previous episode "A Streetcar Named Marge", which had made controversial references to New Orleans.
Document 6: Moe Szyslak: Morris "Moe" Szyslak is a fictional character from the American animated television series "The Simpsons". He is voiced by Hank Azaria and first appeared in the series premiere episode "Simpsons Roasting on an Open Fire". Moe is the proprietor and bartender of Moe's Tavern, a Springfield bar frequented by Homer Simpson, Barney Gumble, Carl Carlson, Lenny Leonard, Sam, Larry, and others.
Document 7: Kent Brockman: Kent Brockman is a fictional character in the animated television series "The Simpsons". He is voiced by Harry Shearer and first appeared in the episode "Krusty Gets Busted". He is a grumpy, self-centered local Springfield news anchor.
Document 8: Some Enchanted Evening (The Simpsons): "Some Enchanted Evening" is the thirteenth episode of "The Simpsons"<nowiki>'</nowiki> first season. It originally aired on the Fox network in the United States on May 13, 1990. Written by Matt Groening and Sam Simon and directed by David Silverman and Kent Butterworth, "Some Enchanted Evening" was the first episode produced for season one and was intended to air as the series premiere, but served as the final episode of the season due to significant animation problems. It is also the last episode to feature the original opening sequence starting from "Bart the Genius". In the episode, Homer and Marge spend a night on the town while leaving the children with a diabolical babysitter named Ms. Botz.
Document 9: Treehouse of Horror III: "Treehouse of Horror III" is the fifth episode of "The Simpsons"<nowiki>'</nowiki> fourth season. It originally aired on the Fox network in the United States on October 29, 1992. In the third annual Treehouse of Horror episode, Homer buys Bart an evil talking Krusty doll, King Homer is captured by Mr. Burns, and Bart and Lisa inadvertently cause zombies to attack Springfield. The episode was written by Al Jean, Mike Reiss, Jay Kogen, Wallace Wolodarsky, Sam Simon, and Jon Vitti, and directed by Carlos Baeza.
Document 10: The Crepes of Wrath: "The Crepes of Wrath" is the eleventh episode of "The Simpsons"<nowiki>'</nowiki> first season. It originally aired on the Fox network in the United States on April 15, 1990. The episode was written by George Meyer, Sam Simon, John Swartzwelder and Jon Vitti, and was directed by Wes Archer and Milton Gray. In the episode, Bart is sent to France on a student exchange trip, where his hosts treat him as a slave. Meanwhile, an Albanian student takes Bart's place in the Simpsons family, and shows great interest in Homer's work at the nuclear power plant.
Document 11: Hans Moleman: Hans Moleman is a recurring character on the animated television series "The Simpsons". He was created by series creator Matt Groening and is voiced by Dan Castellaneta and first appeared in the episode "Principal Charming". His appearance usually comes in the form of a running gag, in which, as a bystander to disastrous events, he suffers unfortunate, often seemingly fatal accidents, only to return in later episodes completely unharmed.
Document 12: Waylon Smithers: Waylon J. Smithers Jr., usually referred to as Mr. Smithers or simply Smithers, is a recurring fictional character in the American animated sitcom "The Simpsons", who is voiced by Harry Shearer. Smithers first appeared in the episode "Homer's Odyssey", although his voice could be heard in the series premiere "Simpsons Roasting on an Open Fire". He is the consummate executive and personal assistant of Springfield Nuclear Power Plant's owner Mr. Burns.
Document 13: Homer Simpson: Homer Jay Simpson is a fictional character and the main protagonist of the American animated television series "The Simpsons" as the patriarch of the eponymous family. He is voiced by Dan Castellaneta and first appeared on television, along with the rest of his family, in "The Tracey Ullman Show" short "Good Night" on April 19, 1987. Homer was created and designed by cartoonist Matt Groening while he was waiting in the lobby of James L. Brooks' office. Groening had been called to pitch a series of shorts based on his comic strip "Life in Hell" but instead decided to create a new set of characters. He named the character after his father, Homer Groening. After appearing for three seasons on "The Tracey Ullman Show", the Simpson family got their own series on Fox that debuted December 17, 1989.
Document 14: Sideshow Bob: Robert Underdunk Terwilliger Jr., Ph.D., better known as Sideshow Bob, is a recurring character in the animated television series "The Simpsons." He is voiced by Kelsey Grammer and first appeared briefly in the episode "The Telltale Head". Bob is a self-proclaimed genius who is a graduate of Yale University, a member of the Republican Party, and a champion of high culture. He began his career as a sidekick on Krusty the Clown's television show, but after enduring constant abuse, Bob attempted to frame his employer for armed robbery in "Krusty Gets Busted". The plan was foiled by Bart Simpson, and Sideshow Bob was sent to prison.
Document 15: The Call of the Simpsons: "The Call of the Simpsons" is the seventh episode of "The Simpsons"<nowiki>'</nowiki> first season. It originally aired on the Fox network in the United States on February 18, 1990. It was written by John Swartzwelder and directed by Wesley Archer. Albert Brooks made his first guest appearance on "The Simpsons" in this episode as the voice of Cowboy Bob.
ground_truth: Waylon J. Smithers Jr.