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|Niki, Tracy, Barbara, and possibly others are experiments created by Linderman through the Pinehearst Company. Each of the children created were given powers through use of the formula that Kaito entrusted to Hiro to protect.|| Linderman claims to Niki that he has been guiding her entire life (The Hard Part)
Dr. Zimmerman claims to Tracy that he created her (One of Us, One of Them)
| + Jessica and Tracy have different abilities.|
+ Tracy told Nathan that she did some work at Pinehearst, and she is featured in a video on that company's website.
|Jessica's ability wasn't that of enhanced strength but body insertion.||When Peter was stuck inside Jesse, the effects with mirrors were used to indicate that Peter was inside Jesse's body but that everyone saw and heard Jesse were exactly the same as the effects used to indicate Niki and Jessica "switching out". (One of Us, One of Them)|| + Peter was able to use Jesse's power while he was inside his body. This would provide an explanation for how Niki/Jessica works - Jessica uses Niki's super-strength.|
+ This might be where future Peter's body insertion comes from.
- So Gina was inserted into Niki's body as well? It's very unlikely two people can be inserted into one body.
|Jessica is a separate entity inside Niki, and was placed inside Niki by someone else using a body insertion ability so she could protect her sister.||None|| + Every time Jessica comes out the Helix appears. This doesn't happen to other personalities such as Gina. This means something is special with the alter ego, personality or even entity, Jessica.|
+ Jessica has appeared at times to want out of her sister's body. Not being able to control the means by which she was trapped inside it could explain why Jessica acted in the way she did.
|Gina was the one who attacked Bob in Fight or Flight, not Niki or Jessica.||None|| + At the end of Season 1 Niki and Jessica integrated into one personality, so Jessica couldn't be the one who attacked Bob.|
+ In Four Months Ago Gina is the current personality existing in Niki before she turns herself into the Company.
- Gina seems more focused on fun and hedonism rather than violence.
- "Gina" didn't appear until Niki stopped taking her medication. After doing that led to D.L.'s death, it seems unlikely in the extreme that she would ever do it again.
|Niki was the descendant of Adam Monroe.||None|| + Adam took the alias Richard Sanders.|
• She may be descended from the Maria from Italy who had two sons.
|Niki was an ex-wife of Adam, or was his eleventh wife but has simply tried to block him out of her memories.||None|| - Niki was married to D.L. Hawkins.|
- Adam was imprisoned for thirty years. There's no way he could marry Niki.
|The Company lied to Niki when they diagnosed her as having multiple personality disorder. They really wanted to keep her under their control until she was needed.||Rather than treating her condition directly with therapy, as is usual practice in most cases where MPD is brought on by trauma (as it was in Niki's case), The Company just used medication to keep her heavily sedated. (Four Months Ago)|| + The Company is not above lying to people in the guise of trying to help when they are really more interested in controlling them. Most of their activities involving Peter are proof of that. (Four Months Ago)|
+ For that matter, "The Haitian Pills" that Peter was given to neutralize his powers didn't seem to have the same sedative effects as the medication Niki was on. It seems unlikely, if the Company truly had the means to chemically neutralize a person's superpowers, that they would use such things on a time-bomb like Peter and not on someone who really had no desire to use her powers and just live a normal life like Niki... unless they had a use for Niki in mind.
|There is a secret hibernated army of Niki clones.||None|| + There have been a secret army of Julien clones and an army of Evan clones in the past.|
+ Someone could have cloned Niki multiple times.
|The Jessica personality was simply created behind the scenes by Maury Parkman to further Linderman's agenda in Season One.||None|| + In Season Two, it was revealed that Maury was working for Adam and that Linderman had been Adam's disciple. Maury tends to lend himself out to be the muscle for whoever the big bad is each season (Adam in season two, Arthur in season three). Due to Linderman's working with both Adam and Arthur it isn't hard to believe that Maury would work for Linderman too. |
+ Linderman had been manipulating Niki's and DL's life from the very beginning and this was another example of that.
|Niki's ability grants her super durability.||In Fallout, D.L. hits Jessica with a sledge hammer but she gets up straight after.|| + This would explain why Jessica was not hurt after being hit by D.L. (Fallout)|
|Niki's adoptive mother Kelly Sullivan will eventually appear on Heroes.||None|| + The writers may have revealed the name of Niki's adoptive mom for a reason.|
|Niki's mother and father adopted Jessica and were told Tracy and Barbara had died.||Tracy and Niki's birth certificates say they were born in 1974, but Jessica's birthstone says she was born in 1976.|| + Tracy was unaware Niki existed.|
- Tracy is an important and known woman, if she were actually Niki's adoptive mother's biological daughter, the entire Sanders family would know.
|Tracy, Barbara and Niki aren't actually triplets, but clones of the original.||None|| - If that was so, it wouldn't explain how two of them have vastly different powers, considering powers have roots in blood chemistry, and that triplets have the same DNA.|
|Niki is not actually dead, but her death was faked by the Company, Pinehearst or some other organization and she is currently recovering incognito.||None|| + Even though we saw her in the coffin, she looked way to natural to be someone who was killed by fire. Surely her body would be too heavily damaged to be done up by make up to look reasonable.|
+ She is a valuable asset.
+ It would be very easy for a model made to look like Niki to be placed in the coffin under wraps.
- There have been multiple mentions of Niki being dead both in-universe and out.
|Gina and Jessica were multiple personalities and the Company were telling the truth, but because of Niki's nature as an evolved human, they have transformed into psychological locks which Niki has to pick in order to access new abilities and to help her learn how to use them well. Jessica was the first and Gina would have been the second if it weren't for Niki's untimely death.||None.|| + Niki did not learn how to use her super strength until the end of the first season and a lengthy conversation with Jessica about it.|
+ If the whole point of Jessica was to help Niki cope with her super strength, then it would make sense that she subsides after Niki learns.
- Evolved humans only have one natural ability.
|Jessica's tattoo was similar to those of Michael Fitzgerald.||None|| + Michael Fitzgerald's tattoos glowed when he used enhanced strength. Quite a long time Niki couldn't use her ability on her own, so Jessica emerged. Each time that happened, the Symbol tattoo appeared on her shoulder and disappeared when Jessica was gone.|
|Jessica is Niki's alter ego, but Gina is a multiple personality formed from all of the stress.||None|| + Jessica was a real person, and told her father that she "took every punch so Niki wouldn't have to" implying that she always existed in Niki's body, and took over when their father became abusive. Jessica also tries extremely hard to help her sister no matter what the cost. Gina just copies something that Niki did once, rather than acting like her sister.|
|Niki is related to Samuel Sullivan.||None|| + The name of the mother of Niki is Kelly Sullivan, so she may be related to Samuel.|
+ Samuel stated to Tracy that "we are all connected".
|"Jessica" was more than a delusion; she was a 'ghost' created by Jessica's consciousness becoming lodged in Niki's mind.||None|| + Jessica was obsessed with protecting Niki. If she possessed some form of astral projection (or even telepathy), she may have projected herself into Niki.|
+ Two other characters (Hana Gitelman and Richard Drucker) have proven able to survive the destruction of their material bodies. While there are major differences, it does show that this theory is possible.
- After Niki stopped taking her pills, another personality which never existed took control.
|See Also: 9 • Red • Time travel • Niki Sanders|