Jokernetta

Jokernetta is the family ship between Joker and Bayonetta from the Persona and Bayonetta fandoms.

Canon
Joker and Bayonetta have not interacted in-game and are just fellow fighters. However, they are both DLC characters for the games they debuted in, Joker being DLC for Ultimate and Bayonetta being a DLC for For Wii U and 3DS. They also look very much alike both wearing glass having short black hair and same skin tone. Both also try to pass as civilians when they actually live double lives fighting monsters. Both also have similar personalities, as they are dashing and dramatic anti-heroes, but Joker isn't as shameless as Bayonetta. Both of their games were also published by SEGA, though had different developers: The Persona series was developed by Atlus, while the Bayonetta series was developed by Platinum Games.

Behind the Scenes
Bayonetta's first voice actress, Hellena Taylor, said that she really enjoyed the "Bayonetta is Joker's mom" memes on Twitter, her own mother also gave approval according to her.

Fanon
After Joker's release to Ultimate many fans started to headcanon that Joker was the son of Bayonetta mostly because they look very much alike. Whether Bayonetta adopted Joker or they are actually blood-related tends to vary. It helps that, while Bayonetta isn't a mother, she did take care of her past self Cereza like a mother would. In addition, many like the idea that Bayonetta tries to be a better parent than her own parents, giving the meme a bit more of an emotional core. The idea of Bayonetta being a mother and naturally drawing orphans to her like a magnet had already been popular in the fourth game, with Ness, Lucas, Toon-Link and the Villager simultaneously either mistaking her for their own mothers, or wishing that she could be their mom.

Since one of the original jokes involving the pairing say "Thank you, Sakurai for reuniting Joker with his mom", some like to think that they haven't seen each other in years. When it comes to expressing interactions between Joker and Bayonetta, they often depict him as being somewhat embarrassed by her. Outside of battle, Joker will sometimes try and prevent his "mom" from saying too much and ruining his chances with female fighters. Some also have her meddling with Joker's dates with other character's from Persona 5. Some also jokingly depict any actual in-game fights between Joker and Bayonetta as "having an argument with your mom", which just amounts to Bayonetta lightly slapping him. Memes about Joker asking Bayonetta if they can go to McDonald's only for her to shoot it down, saying they have food at home have also been made. Some also reference Bayonetta's taunt of "If you need to learn how to talk to a lady, ask your mom", by having her tell that to Joker, only for Joker to remind her that Bayonetta is his mom.

Some fans of the ship/joke also sometimes include Sonic (due to also being published by SEGA) or Kirby (copying Joker's ability) as Joker's younger brother. Some "family photos" also include Tenya Iida and/or Sakamoto from ''Haven't you heard? I'm Sakamoto'' as his older brother(s). Some also have Dark Pit featured in some of them, since he shares their black hair and has a similar haircut. When people ask who the father is, the most common answer is Hideo Kojima (the former head of the Metal Gear series), due to many noting how Bayonetta looks like a female version of him. Other options include Kazuya Mishima, Solid Snake or Dante from the Devil May Cry series. Others depict Jeanne as Joker's second mother, due to Bayonetta/Jeanne being a popular ship in her home series. The ship is also very compatible with Palunetta and other het or femslash ships involving Bayonetta, since it can show Bayonetta dating someone as a single mother.

Fandom
FAN FICTION

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