History Fanon / Pokemon

** Some fans believed that Penny's father is Peony from Sword and Shield due to the way Penny described his father to be similar to how Peonia reacts to her own father and Penny mentioning how she's nicknamed "Pen-Pen" by her father in a near identical way Peony nicknames Peonia as "Nia". Add that with how Penny was initially from Galar, and how Peony's wife as shown in his Rare league card is given the beauty model with lighter skin contrasting Peonia and Peony both being AmbiguouslyBrown was given support as well to this {{Fanon}}, adding that Penny might have taken after her mother instead of her father.

* Dawn being a ProperLady and a [[TomboyAndGirlyGirl more feminine foil]] to the tomboyish May, Lyra, and/or Hilda is common, especially when she is depicted as SilkHidingSteel.

* Many Pokédex entries have questionable data, with some such as Spoink's and Victini's being [[UnreliableNarrator outright nonsense]]. Fans tend to handwave the Pokédex entries as myths and urban legends. Alternatively, the protagonists themselves write the entries. The rather cynical entries of ''Sun and Moon'' are believed to be Rotom being either BrutallyHonest or a {{Troll}}, with most fanworks depicting and leaning on the latter, especially as ''Ultra Sun and Ultra Moon'' didn't have Mega evoltion entries for ''all'' the other Mega evolution available Pokémon such as Altaria and Aggron, who weren't in the Alola dex (Bar Mega Rayquaza and Mega Diancie).

* Many Pokédex entries have questionable data, with some such as Spoink's and Victini's being [[UnreliableNarrator outright nonsense]]. Fans tend to handwave the Pokédex entries as myths and urban legends. Alternatively, the protagonists themselves write the entries. The rather cynical entries of ''Sun and Moon'' are believed to be Rotom being either BrutallyHonest or a {{Troll}}.

** The existence of Relicanth, who is explicitly stated to be a Fossil Pokémon that just didn't go exctinct muddies it all a bit, since it is, in fact, Rock/Water.

** The existence of Relicanth, who is explicitly stated to be a Fossil Pokémon that just didn't go excting muddies it all a bit, since it is, in fact, Rock/Water.

** Armaldo was Water/Bug while Cradily was Plant/Water.
** Rampardos might have been Fighting type, while Bastiodon was Steel type.

** This has led to claims (some jokingly, some semi-seriously) that the movie Film/{{Annihilation}} is a [[SpiritualSuccessor Spiritual]] StealthPrequel to Pokémon, albeit [[DeconstructedTrope Deconstructed]] and DarkerAndEdgier.

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* Given Ghetsis' reputation as [[VileVillainSaccharineShow "the most evil Pokemon villain"]] and his status as an AbusiveParent, it's very common for fans to speculate just ''how'' abusive he was to N. This speculation ranges from him beating N to flat-out ''raping'' him. In the games, he's shown emotionally and verbally abusing N, but is never shown going beyond that.

* Delia, or any parent in the anime such as Johanna, Grace, and Meyer without a visibly present partner, being single. Because of the absence of any fathers, or in Meyer's case mother, in relation to the single parent of Ash, Dawn, Serena, and Clemont and Bonnie respectively, most fans tend to default to them being either divorcees, widows or widowers, or having never married. With the non-Delias it is most likely a result of no mention of the other parent at all, combined with the general absence of fathers in the games (at most they get mentioned off handily and are never seen, bar Norman). With Delia the earlier mentioned 'deadbeat or dead' interpretation tends to be the reason, with so little mention of him in the main continuity that it is not hard to imagine him as completely absent (in the movie continuity he is mentioned more, but that is not the main continuity). In general fans, especially western fans, [[ValuesDissonance see absent parents as clearly a sign of them not being present in the lives of the family at all, versus the native Japanese fanbase where parents being absent for work for long periods of time is much more common and expected, leading to far less assuming the worse.]]

** Yellow has either amber, yellow, brown, or yellowish-brown eyes depending on the fan-art. This is largely because her official colour is [[HairColorDissonance hard to figure out]].

* In ''Theatre/PokemonLive'' Delia and Giovanni are shown to have been a couple in the past. The show itself mentions that they dated but Delia broke up with him and married Ash's father. Fans, however, more commonly depict ''Giovanni'' as Ash's father. This is helped by WordOfGod that in an earlier script Giovanni was his father, and even in the final product there were intended to be implications that Giovanni was actually Ash's dad.

* Because Kabu is said to have come from Hoenn, many started to take the idea that he is related to Flannery, who is the fire type Gym Leader in Hoenn. His exact relation varies from person to person, but he is generally not considered to be Flannery's Elite Four member Grandfather.

* Team Instinct as the {{Butt Monkey}} due to having less members than the other teams.

** It's often stated that Tauros and Miltank are opposite gender-counterparts of the same {{mon|s}} like the Nidoran line(s) and Volbeat/Illumise, but this has never been stated in the games or the anime. It actually has some basis in game-play —- their stats total the same, they're always found in similar/the same locations outside of Safari Zones, etc. —- but, nevertheless, the fact that you can't get Tauros by breeding Miltank (or Miltank from breeding Tauros with a Ditto). The same applies to the Vullaby (female) and Rufflet (male) lines. Practically confirmed by ''Sun and Moon'', though they [[TheArtifact still can't produce eggs of the other from breeding]].

* Byron is nearly always portrayed as a single father, since his wife/Roark's mother never appears or is even mentioned. Typically he is said to be divorced, but more rarely he is portrayed as a widower. The anime suggests that he lives apart from his wife but they are still married, since Roark mentioned asking him to come home for their wedding anniversary.

* Byron is divorced, a single father, or less commonly a widower, since his wife/Roark's mother never appears or is even mentioned. The anime suggests that he lives apart from his wife but they are still married, since Roark mentioned asking him to come home for their wedding anniversary.

* Though Volo calls himself a Pokemon ''Wielder'' instead of a trainer, many fans depict him as still maintaining a [[MoralityPet genuine bond with his Togepi]]. It helps that Togepi can only evolve via ThePowerOfFriendship.

** Some with ShippingGoggles on who also ''don't'' believe they're related would also occasionally depict the two as having some sort of romantic relationship, though it's usually one-sided on Volo's end

* The infamous "[[Fanfic/PoorRival Red killed Blue's Raticate]]" theory. The idea is that Red accidentally killed Blue's Raticate during a battle (or that it died from injuries), explaining why it's not on his team afterwards. It's rarely played seriously nowadays outside of creepypasta and various [[Webcomic/NuzlockeComics Nuzlocke runs]], especially the more story-oriented ones, with the preferred fanon being that Blue either released Raticate or put it in the PC because he was disappointed in it. While it's still not overly common, perhaps with the players' Pokémon dying being a core concept of the genre, the Raticate might provide a nice enough callback to allow the theory one last grasp at life.

** Many fans speculate that Gengar are the shadows of Clefable.

* Save for where SchrödingersPlayerCharacter is ''not'' in effect (such as the Gen 4 games), fanfiction that has both the male and female player character present often depicts them as siblings, usually [[HalfIdenticalTwins twins.]] This is often done when elements from both versions of a mainline game are incorporated together and because it makes for interesting character {{Foils}}, especially given how some common fanon depictions of the player characters contrast from each other.

* Arven

** In fanart, he's sometimes depicted with heterochromia, with [[FamilyEyeResemblance his hidden eye being brown like Turo's.]]

* Rika
** Because of her Bifauxnen appearance, she's popularly headcanoned as either being a transwoman in the process of transitioning or just comfortable with how she looks. Alternatively, some depict Rika as nonbinary in fanworks.

* You'd be hard pressed to find a fanfic that ''doesn't'' have Hassel and Brassius be a couple, with the ship coming from their close friendship in the game and the nicknames they gave each other.