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Jonas Zimmerman

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Jonas Zimmerman
Portrayed by Ronald Guttman,
Jon Donahue (in 1961)
First appearance One of Us, One of Them
In-story stats
Known ability None
Home Reseda, CA
Residence Dr. Zimmerman's home
Occupations Doctor,
former Company medical professional

Dr. Jonas Zimmerman is a doctor who was employed by the Company as one of the medical professionals working in their research & development department, but was eventually dismissed. During the course of his work with the genetic modification formula; Zimmerman "created" Niki Sanders, Tracy Strauss and Barbara.

Character History

One of Us, One of Them

In New Orleans, after Tracy Strauss learns that Niki Sanders is dead, Tracy finds Micah, who helps Tracy find out a bit about her past and her relation to Niki. He tells his laptop to search for information on the matter, and one match is found: a birth record. Tracy and Niki were born in the same hospital on the same day, and were delivered by the same doctor, Dr. Zimmerman.

Later, Tracy goes to visit Dr. Zimmerman at his home. He calls her Barbara at first, but Tracy corrects him. Dr. Zimmerman then invites Tracy inside his home, noting that she is "the Beverly Hills" one. She asks if he knows her, and Dr. Zimmerman tells her that he created her.

I Am Become Death

Dr. Zimmerman explains to Tracy that she is one of three triplets: Tracy, Niki and Barbara. When their parents died, the three were separated. He explains that there was a formula that manipulated their DNA to give them incredible abilities. Tracy asks who did this to her, but he tells her that a company hired him, but he can't remember. Tracy grabs him and in anger, begins to freeze his arms. She calms down, and the freezing subsides.

Angels and Monsters

Angela tells Nathan and Tracy that Dr. Zimmerman used to work for the Company under research and development, looking for a way to give ordinary humans abilities. He was described as being "young" and "idealistic".

Dying of the Light

Tracy tells Mohinder that Zimmerman gave her her ability when she was a baby by altering her genes somehow.

Graphic Novel:Truths

Angela says that she'll call Zimmerman for him to inject Nathan and give him synthetic abilities.


In 1961, Dr. Zimmerman worked alongside Chandra Suresh at Coyote Sands.

Graphic Novel:From the Files of Primatech, Part 7

In 1991, Dr. Zimmerman returns to Primatech Research to drop off Simone to Charles. He tells Bob Bishop that he suggests experimenting on Elle to see how much she can take. Elle beings experimentation under the direction of Dr. Zimmerman.

Graphic Novel:From the Files of Primatech, Part 8

In 1991, Bob awaits Dr. Zimmerman who is supposed to be bringing lithium for Elle.

Memorable Quotes

"Do you know me?"

"Know you? I created you."

-Tracy Strauss, Dr. Zimmerman (One of Us, One of Them)



Fan Theories

Please refer to Theory:Jonas Zimmerman for fan-created theories and other speculation.

  Season Three Characters edit

Claire BennetNoah BennetMaya HerreraAndo MasahashiHiro NakamuraMatt ParkmanAngela PetrelliNathan PetrelliPeter PetrelliTracy StraussMohinder SureshSylar


AnalystLyle BennetSandra BennetElle BishopEmile DankoEric DoyleFlint Gordon, Jr.Future PeterMeredith GordonThe HaitianKnoxDaniel LindermanDr. LivitzDaphne MillbrookRachel MillsAdam MonroeMr. MugglesKaito NakamuraMatt Parkman, Jr.Maury ParkmanArthur PetrelliMark SpatneySWAT agentTurtleUsutu

See Also: Minor CharactersSeason One CharactersSeason Two CharactersSeason Four CharactersHeroes Reborn CharactersFuture CharactersAnimalsWebisodes Characters
Graphic Novel CharactersiStory CharactersEvolutions CharactersBook CharactersUnaired CharactersCast