Below is a list of Jane's personalities.
- 1 Crazy Jane
- 2 Hammerhead
- 3 Sylvia
- 4 Penny Farthing
- 5 Baby Doll
- 6 Silver Tongue
- 7 Doctor Harrison
- 8 Lucy Fugue
- 9 Flit
- 10 The Hangman's Beautiful Daughter
- 11 Sun Daddy
- 12 Flaming Katy
- 13 Karen
- 14 Scarlet Harlot
- 15 Spinning Jenny
- 16 Unknown Wall-Crawling personality
- 17 Mentioned Only Personalities
Jane is the dominant personality, though she is not the core one. She tends to be crass, but she does care about Cliff.
Standoffish and rude, Hammerhead is always angry about something.
- Enhanced Strength: Hammerhead was strong enough to knock Cliff up a flight of stairs with a single punch.
Sylvia's voice is demented and warped, which she uses to ward off unwanted interaction.
Penny Farthing speaks with a british accent, and is very timid.
Baby Doll is immature and childlike, and has a fascination for superheroes, especially Cyborg. She is evidently not a fan of The Flash.
Silver Tongue enjoys fighting, and is not opposed to killing people.
- Metal Creation/Manipulation: Silver Tongue has the ability to generate sharp metal versions of words she says, and manipulate their forms, such as shaping the word "Underground" into a sword.
Doctor Harrison is very manipulative, and uses her talent for psychoanalysis to convince people to indulge her insane demands.
- Persuasion: Doctor Harrison is able to use her metahuman charm to manipulate people, instilling ideas that her victims find they must act on. At her peak, Doctor Harrison used this power to convert an entire psychiatric ward to her newly invented Cult of the Recreator.
- Psychoanalysis: Doctor Harrison is adept at observing people's behavior, and from that concluding what trauma they have endured, which she can then use to manipulate them.
- Charisma: Doctor Harrison is a talented and charismatic leader who is able to form a cult at the mental hospital.
Lucy Fugue has an echoed voice, and seems to be aggressive.
- Electrokinesis: The personality Lucy Fugue has the ability to generate and manipulate electricity.
Flit is shown to be impatient and angry, and has no qualms with killing.
- Teleportation: Flit is able to teleport between locations and can bring others with her. The exact limits of this power are unknown but Flit was able to teleport from the United States to Paraguay with little effort, indicating that distance is not an issue.
The Hangman's Beautiful Daughter
The Hangman's Daughter is spacey, and enjoys painting.
Sun Daddy doesn't seem to have much of a personality, though she does often wreak destruction.
- Pyrokinesis: Sun Daddy can generate and throw balls of fire.
- Enhanced Durability: Sun Daddy was able to withstand an attack from Celsius
Katy is very aggressive, and does not like being interrogated.
- Pyrokinesis: Katy can generate and throw bursts of fire.
- Flight: Using her fire blasts, Flaming Katy is able to fly.
Karen is obsessive, particular over two things, Romantic Comedies and a man named Doug. Karen is a ditz, though she is very possessive of Doug.
- Affection Manipulation: Karen has the ability to force feelings of affection in people, ranging from romantic love to just friendship. This ability seemed to not work on Cliff, likely due to his robotic physiology.
Scarlet Harlot is a very lustful personality.
While dominant, Spinning Jenny only screamed and slammed her hands into her head
Unknown Wall-Crawling personality
- Wallcrawling: The unknown wall-crawling personality is able to cling to walls, allowing her to stick to roofs or climb to great heights.
Mentioned Only Personalities
Personalities that have, to date, only appeared on the map of the underground include:
- The Signal-Man
- Driver 8
- Liza Radley
- An unknown Red-Headed girl
- The Sin-Eater
- The Snow Queen
- Mama Pentecost
- Bizzie Lizzie Borden
- Driller Bill
- Kit W'the Candlestick
- Jack Straw
- Pretty Polly
- Merry Andrew
- Rain Brain
- Blood of the Lamb
- Lady Purple
- Black Annis
- The Weird Sisters
- No One
- The Pointman
- Pepper's Ghost
- Sex Bomb
- The Secretary
- The Shapeless Children