The ability to alter the gender of oneself and others. Variation of Shapeshifting.

Also Called

  • Bisexual Transition
  • Gender Alteration/Changing/Shifting/Swap/Swapping/Switching
  • Genderfluidity
  • Male/Female Shifting
  • Sequential Hermaphroditism
  • Sex Alteration/Changing/Shifting/Swap/Swapping/Switching/Transformation


The user can alter ones and/or other's gender either permanently or temporarily, they may be able to combine genders for hermaphrodite or remove both for neutri. The change is completely to cellular level.



  • May be limited to changing the gender of either oneself or others.
  • Might only be able to change to one gender, not both.
  • May become pregnant, and be both biological mother and father to the baby.
  • The clothes may not change.
  • While the gender does change, anything else stays the same: hair, eye, skin color, general facial features, body-structure, etc.
  • May go through the phases of the opposite gender.
  • May develop an alter-ego when changing gender.

Known Users


  • Peter Griffin (Family Guy); temporarily via shapeshifting
  • Bugs Bunny (Loony Tunes)
  • The Mask (The Mask Animated Series)
  • Richard Watterson (The Amazing World of Gumball)
  • Stan Smith (American Dad); via Estrocillin Pills
  • Osmosis Jones (Ozzy and Drix)
  • Aku (Samurai Jack)
  • Zebra Brothers (Hero: 108)


  • Wotan (DC Comics); via reincarnation
  • Mystique (Marvel Comics)


  • Ahrnell (Hiling); after accidentally being touched by Anna
  • Dinosaurs (Jurassic Park)
  • Dren (Splice)
  • Gerald/Geraldine (Geraldine)


  • Artemis (Greek Mythology)
  • Isis (Egyptian Mythology)
  • Leto (Greek Mythology)
  • Loki (Norse Mythology)


  • La Pucelle (Mahou Shoujo Ikusei Keikaku)
  • Users (Cybernetrix); while in Cybernetrix
  • Metamorphmagi (Harry Potter)
  • Alex Fierro (Magnus Chase and the gods of Asgard)

Live Television

  • Alex Johnson (The Almighty Johnsons)
  • Willow Rosenberg (Buffy the Vampire Slayer); via Sex Change spell
  • The Charmed Ones (Charmed); via Spell Casting
  • Timelords (Doctor Who)
    • The Master
  • Gabriel Gray/Sylar (Heroes); via shapeshifting
  • Curtis Donovan (Misfits)
  • The Spellman witches (Sabrina, the Teenage Witch); via a boy potion
  • Tina Greer (Smallville)
  • Russo siblings (Wizards of Waverly Place); via Spell Mixture
    • Kelbo Russo; originator of Shakira


  • Yuka Minase (11eyes)
  • Thor (A Certain Magical Index)
  • Uruki (Fushigi Yuugi)
  • Arachne Guildy (Gonna Be the Twintails!)
  • Mitsuka Sōji/Tail Red/Sōra (Gonna Be the Twintails!)
  • Phoenixgildy (Gonna Be the Twintails!)
  • Daigo Hiromi (Gun x Clover)
  • Tomoki Sakurai (Heaven's Lost Property)
  • Natsuru Senō (Kämpfer)
  • Shiria Ootsuka (Maken-ki)
  • Najimi Ajimu (Medaka Box); with Ladies And Gentlemen (Biological Skill)
  • Konohamaru (Naruto)
  • Naruto (Naruto)
  • Bentham (One Piece)
  • Emporio Ivankov (One Piece); via Horu Horu no Mi
  • Ranma Saotome (Ranma ½)
  • Seiya Kou, Yaten Kou, and Taiki Kou (Sailor Moon)
  • Phantasos (Saint Seiya)
  • Homura (Sekirei)
  • Kusuo Saiki (Saiki Kusuo no Psi-nan)
  • Last Amazoness (Seto No Hanayome)
  • Kuroumaru Tokisaka (UQ Holder!)
  • Ataru Moroboshi (Urusei Yatsura)

Video Games

  • Demitri Maximoff (Darkstalkers)
  • Hive (Destiny)
  • Alex Mercer (Prototype)
  • James Heller (Prototype 2)
  • The Make-over Mage (RuneScape)
  • Gnome (Valkyrie Crusade)


  • Elliot Dunkel (El Goonish Shive)
  • Tedd Verres (El Goonish Shive)

Known Objects

  • Ianhte (Aquarion Evol)
  • Girdle of Masculinity/Femininity (Baldur's Gate)
  • Pure Grimoire/Nameless Grimoire (Blazblue); Only changes males into females due to needing a female host.
  • Transformation Gun (El Goonish Shive)
  • Estrocillin Pills ( American Dad )
  • Mol-Unit (Moldiver)
  • SCP-113 (SCP Foundation)
  • Contract Bracelet (Kämpfer)
  • Tail Gear (Ore,Twintail ni Narimasu!)
  • Book of Eibon (Soul Eater); Chapter 1: Lust
  • PAIR (Toriko)
  • Appearance Reset Potion (Log Horizon)

Known Locations

  • Trans State (Sinfest)


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