Instances of Other Me Annoys Me in Literature.
- Artemis Fowl: The Atlantis Complex. One of the symptoms sufferers from the Atlantis Complex show is a Split Personality. As Artemis's case worsens, he develops another personality called Orion. While Artemis is an eerily mature Deadpan Snarker, Orion is a mix between a poet and a Hormone-Addled Teenager, who constantly talks about his (and Artemis's) undying love for Holly. Artemis can see and hear everything Orion does, and hates all of it.
- Animorphs: "The Seperation". Mean Rachel is totally annoyed by Nice Rachel.
- The first half of Robert A. Heinlein's By His Bootstraps consists of the interaction between the protagonist Bob Wilson and some of his past and future selves, due to a very convoluted Time Travel plot. The scene is retold several times, each from the point of view of a different version of Bob — who consistently thinks his past selves are idiots and his future selves are arrogant pricks. It comes to blows eventually. And this would be the man who rules the Earth in the future? Diktor, the future dictator Bob considers a jerk and tries to double-cross, is Bob himself.
- A Chronicles of Echo episode narrated by Max had a mention that in a less pleasant stage of his life he was ready to choke the version of "Sir Max" living in the city rumours.
- Emily the Strange: Stranger and Stranger: Both Emilys even call each other 'Other Me' and they definitely annoy each other. Eventually becomes Evil Me Scares Me.
- In the Everworld series both the Greek and Roman pantheons exist, and they can't stand each other. Especially Neptune and Poseidon who are engaged in an eternal turf war for control of the oceans, and Atlantis in particular.
- A similar situation exists in The Heroes of Olympus. Mostly the gods are content to let their Roman personalities take over when talking to Romans, but when Greeks and Romans start interacting with them at the same time they get splitting (almost literally) headaches. The most extreme example is Athena; an old grudge with the Romans means she seriously resents having to become the Chickified Minerva.
- Luke Skywalker and the Shadows of Mindor: There is a great deal of in-universe material about Luke Skywalker, who after all is Famed In-Story. He hates all of it, particularly the portrayal of him, which is often infallible and leads to some people he meets assuming he should be just listened to - he wants them to argue sometimes, point out things he hasn't seen, and so on.
- In the Magic 2.0 series, Brit the Younger coexists with an older version of herself who she absolutely despises. She can't stand Brit the Elder's habit of keeping information from her.
- The third book in My Brother is a Superhero series involves Luke's counterpart from another world, who did get superpowers and uses the superhero name "Stellar." Luke repeatedly reminds us that Stellar is unbelievably annoying and obviously plotting something villainous. He's not exactly wrong about that last part.
- Pact stars Distaff Counterparts Blake and Rose Thorburn, the same person born as a different gender. They're very different from one another-where Blake is impulsive and favors the Indy Ploy (with the usual result being Didn't Think This Through) Rose is more meticulous, favors summoning Others to do her bidding, and is quicker to escalate to ruthless levels of force. Naturally, they don't get along-which causes a lot of problems, because they need to work together in order to survive the many enemies which their family has made over the past seven generations, and because they're both trained manipulators who have a tendency of lashing out violently when backed into a corner.
- In the short story "Random Quest" by John Wyndham, Colin Trafford never actually meets his Alternate Universe counterpart as they have switched places but but he soon comes to hate everything about him. First and foremost, there is his treatment of his wife Ottilie, whom he routinely neglects and emotionally abuses. He also dislikes the propensity for brutality that his counterpart displays in his writing.
- The X Men And Spider Man Times Arrow crossover trilogy features one storyline where Spider-Man and Bishop arrive in an alternate reality where the Scarlet Centurion manipulated the X-Men into taking most of Earth's other superhumans prisoner or killing them outright. Notably, Spider-Man's counterpart escaped this fate as he never lost Uncle Ben because the thief was caught before he had to decide whether or not to act, and Peter's counterpart is now a celebrity basketball player known as "the Park". When Peter goes to visit his other self, the Park correctly guesses that most of Peter's friends and family are miserable or dead in his life because of his activities as Spider-Man, whereas the Park is married to Liz Allan and has two children while Ben and May are still alive. However, when Peter analyses his other self's life, he observes that everything the Park has done ultimately amounts to nothing more than his old vow to show his childhood bullies up by becoming someone they would admire- even his marriage to Liz can be traced back to stealing his bully's girlfriend- while abandoning everything that genuinely interested him, such as his scientific pursuits. Peter and the Park may have failed to make any scientific breakthroughs due to other demands on their time, but Peter affirms that he did it to save others rather than to satisfy an old grudge. His opinion of his other self shifts when he learns that the Park was actually an inside man passing information to the Power Liberation Front opposed to the X-Men's current actions.
- In The Tin Woodman of Oz, the Tin Woodman returns to the (now empty) tinworker's house and finds his original, flesh-and-blood head. They have a conversation and find they don't like each other.
- We Are Legion (We Are Bob): There are a few Bobs that just can't be around others (such as Mario), as well as some odd companions who like to annoy each other (Riker and Homer, Calvin and Goku).
