Itchy is the cartoon mouse from Itchy & Scratchy. He is a serial killer whose favorite victim is Scratchy. He almost always succeeds in killing Scratchy. There is only one known episode where Scratchy defeats him.
History

Itchy in his first appearance
Itchy first appeared in "Itchy the Lucky Mouse in Manhattan Madness", in which only Itchy appears, without Scratchy, and Itchy kills an Irish man and Teddy Roosevelt. This was the very first of many episodes where he would appear.
His ears resemble Mickey Mouse's, his name is like Oswald the Lucky Rabbit's and he plays the role of Jerry from Tom and Jerry. In a parody of the view of Jerry as a villain, Itchy is depicted as a serial killer torturing and killing the innocent Scratchy, contrasting Jerry's mutual slapstick relationship with Tom (in most episodes Tom is pranked by Jerry only because he attacked Jerry in the first place).
The Itchy & Scratchy Land is an Itchy and Scratchy theme park. It has parades with robots resembling Itchy and Scratchy which are supposed to be inoffensive and only attack themselves. While on vacation, the Simpsons were attacked by a group of robots, until they used the cameras flashes to short circuit them (the reason flash snaps are not allowed).
Itchy and Scratchy also appear in The Simpsons Movie, in a short film that the Simpsons are watching in the movie theater before the actual movie begins. He kills Scratchy by filling a bunch of rockets in his mouth and then explodes him to pieces.
Itchy (and Scratchy) may be actual residents of Springfield as seen in "Hello Gutter, Hello Fadder".
Appearances
- For a full list of both Itchy and Scratchy appearances, please see The Itchy & Scratchy Show
The Simpsons: Season One | ||||
"Simpsons Roasting on an Open Fire": | "Bart the Genius": | "Homer's Odyssey": | "There's No Disgrace Like Home": | "Bart the General": |
Absent | Absent | Absent | Minor | Absent |
"Moaning Lisa": | "The Call of the Simpsons": | "The Telltale Head": | "Life on the Fast Lane": | "Homer's Night Out": |
Absent | Absent | Absent | Absent | Absent |
"The Crepes of Wrath": | "Krusty Gets Busted": | "Some Enchanted Evening": | ||
Absent | Minor | Absent |
The Simpsons: Season Four | ||||
"Kamp Krusty": | "A Streetcar Named Marge": | "Homer the Heretic": | "Lisa the Beauty Queen": | "Treehouse of Horror III": |
Absent | Absent | Absent | Absent | Absent |
"Itchy & Scratchy: The Movie": | "Marge Gets a Job": | "New Kid on the Block": | "Mr. Plow": | "Lisa's First Word": |
Major | Absent | Absent | Absent | Minor |
"Homer's Triple Bypass": | "Marge vs. the Monorail": | "Selma's Choice": | "Brother from the Same Planet": | "I Love Lisa": |
Cameo | Absent | Absent | Minor | Minor |
"Duffless": | "Last Exit to Springfield": | "So It's Come to This: A Simpsons Clip Show": | "The Front": | "Whacking Day": |
Absent | Absent | Absent | Major | Minor |
"Marge in Chains": | "Krusty Gets Kancelled": | |||
Minor | Absent |
The Simpsons: Season Five | ||||
"Homer's Barbershop Quartet": | "Cape Feare": | "Homer Goes to College": | "Rosebud": | "Treehouse of Horror IV": |
Absent | Minor | Minor | Absent | Absent |
"Marge on the Lam": | "Bart's Inner Child": | "Boy-Scoutz 'n the Hood": | "The Last Temptation of Homer": | "$pringfield (Or, How I Learned to Stop Worrying and Love Legalized Gambling)": |
Absent | Absent | Minor | Absent | Absent |
"Homer the Vigilante": | "Bart Gets Famous": | "Homer and Apu": | "Lisa vs. Malibu Stacy": | "Deep Space Homer": |
Absent | Absent | Absent | Absent | Minor |
"Homer Loves Flanders": | "Bart Gets an Elephant": | "Burns' Heir": | "Sweet Seymour Skinner's Baadasssss Song": | "The Boy Who Knew Too Much": |
Absent | Absent | Minor | Absent | Cameo |
"Lady Bouvier's Lover": | "Secrets of a Successful Marriage": | |||
Absent | Absent |
The Simpsons: Season Six | ||||
"Bart of Darkness": | "Lisa's Rival": | "Another Simpsons Clip Show": | "Itchy & Scratchy Land": | "Sideshow Bob Roberts": |
Minor | Absent | Absent | Major | Absent |
"Treehouse of Horror V": | "Bart's Girlfriend": | "Lisa on Ice": | "Homer Badman": | "Grampa vs. Sexual Inadequacy": |
Absent | Absent | Absent | Absent | Absent |
"Fear of Flying": | "Homer the Great": | "And Maggie Makes Three": | "Bart's Comet": | "Homie the Clown": |
Absent | Absent | Absent | Absent | Absent |
"Bart vs. Australia": | "Homer vs. Patty and Selma": | "A Star is Burns": | "Lisa's Wedding": | "Two Dozen and One Greyhounds": |
Absent | Absent | Minor | Absent | Absent |
"The PTA Disbands": | "'Round Springfield": | "The Springfield Connection": | "Lemon of Troy": | "Who Shot Mr. Burns? (Part One)": |
Absent | Absent | Absent | Absent | Absent |
The Simpsons: Season Seven | ||||
"Who Shot Mr. Burns? (Part Two)": | "Radioactive Man": | "Home Sweet Homediddly-Dum-Doodily": | "Bart Sells His Soul": | "Lisa the Vegetarian": |
Absent | Absent | Minor | Minor | Minor |
"Treehouse of Horror VI": | "King-Size Homer": | "Mother Simpson": | "Sideshow Bob's Last Gleaming": | "The Simpsons 138th Episode Spectacular": |
Absent | Absent | Absent | Absent | Absent |
"Marge Be Not Proud": | "Team Homer": | "Two Bad Neighbors": | "Scenes from the Class Struggle in Springfield": | "Bart the Fink": |
Absent | Absent | Absent | Absent | Absent |
"Lisa The Iconoclast": | "Homer The Smithers": | "The Day The Violence Died": | "A Fish Called Selma": | "Bart on the Road": |
Absent | Absent | Major | Absent | Absent |
"22 Short Films About Springfield": | "Raging Abe Simpson and His Grumbling Grandson in "The Curse of the Flying Hellfish"": | "Much Apu About Nothing": | "Homerpalooza": | "Summer of 4 Ft. 2": |
Absent | Absent | Absent | Absent | Absent |
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