Dr. Johnathan Christopher Spengler


Field Captain of Ghostbusters New York

"You're still mad about Vic and I dropping water balloons on Doo Doo Head?"

Character created by Fritz Baugh

The Personal Timeline of Dr. Johnathan Christopher Spengler
1983
Dr. Peter Venkman, Dr. Ray Stantz, and Dr. Egon Spengler are fired from Columbia, and form Ghostbusters Inc. Janine Melnitz is hired as the Ghostbusters' secretary. She begins pursuing Egon, but he finds it annoying at first.

1986
The Ghostbusters encounter their counterparts from the year 2023; John Spengler and his sister Eden are among the "future" Ghostbusters.

1997
The appearance of the disease spirit Achira forces Egon to recruit his four latest students to become a new team of Ghostbusters (the so-called "Extreme" Ghostbusters). Simultaneously, Janine Melnitz reenters his life, and she later helps restore his severed relationships with Venkman, Ray, and Winston

In December, Egon finally proposes to Janine, and the two are engaged.

1998
At long last, after fifteen years of confusion, denial, and reversals, the wedding of Egon Spengler and Janine Melnitz occurs.

1999
June 13 Birth of Eden Marie and Johnathan Christopher Spengler.

2003
The present-day Ghostbusters are once again aided by the 2023 version of John, Eden, and the other Ghostbusters.

2012
Johnathan Christopher and Eden Marie Spengler graduate from high school just before their thirteenth birthdays. They both go on to college, John studying engineering and Eden specializing in linguistics and computer programming; both, unsurprisingly, also study heavily in physics.

2018
Eden and Johnathan Spengler finish their postgraduate work, each having earned PhDs in their respective fields. They become the primary researchers at the Spengler Institute, a joint venture between GBI, Spengler Labs, and Columbia University located, ironically enough, in the former Weaver Hall.

2021
The Amot-Naphemus Crisis. Eden becomes a reserve member of Ghostbusters New York

2022
John and TJ Anderson go on their first date, to a remake of Paul Blart: Mall Cop.

2023
The Ghostbusters of 2023 aid the original Ghostbusters of 1986 and the Extreme Ghostbusters of 2003 via time travel

John Spengler journeys to London, and meets TJ Anderson's family--including her brother Jacob, aka "Dr. Vidius"

Future Fate

In 2024, John and his sister are once again pulled into the past to deal with the schemes of Josiah Nodus; they deal with the disturbing claim that Johnathan is "Lord Gemini", a figure of Atlantean prophesy. The truth of this claim remains elusive.

Known Relatives of Johnathan Christopher Spengler
"Romulus" (full name unrevealed)
Relation: Descendant? (24th Century)
Canon: Fan (Fritz Baugh)

Dr. Eden Marie Spengler
Relation: Fraternal Twin Sister
Canon: Fan (created by Fritz Baugh)

Professor Egon Spengler
Relation: Father
Canon: Core character; relation is Fan

Janine Melnitz Spengler
Relation: Mother
Canon: Core character; Relation is Fan

Denise Brandenburg Melnitz
Relation: Grandmother
Canon: Seen in RGB; name is Fan (Fritz Baugh)

Fritz Melnitz
Relation: Grandfather
Canon: Seen in RGB; name is Fan (Fritz Baugh)

Dr. Edison Spengler (deceased)
Relation: Grandfather
Canon: Fan (name by Fritz Baugh)

Katharine Melton Spengler (Deceased 2017)
Relation: Grandmother
Canon: RGB. Name from Sheila Paulson and Fritz Baugh

Doris Melnitz Irwin
Relation: Aunt
Canon: Seen in RGB; first name is from EGB

Dr. Ellis Spengler
Relation: Uncle
Canon: Fan (Jen Spengler and Fritz Baugh)

Joshua Irwin
Relation: Uncle (by marriage)
Canon: Seen in RGB; name is Fan (Fritz Baugh)

Victor "Vic Six" Irwin
Relation: Cousin
Canon: RGB; last name and professional name is Fan (Fritz Baugh)

Jennifer "Jen" Spengler
Relation: Cousin
Canon: Fan (Jen Spengler)

Unnamed children of Victor Irwin
Relation: Cousins once removed
Canon: Fan (Fritz Baugh)

Dr. Frederick Melton (deceased)
Relation: Great Grandfather
Canon: Fan (Fritz Baugh)

Lillian Fitgerald Brandenburg (deceased)
Relation: Great Grandmother (Mother of Denise Brandenburg Melnitz)
Canon: Seen in RGB, first name from Afterlife, developed by Fritz Baugh

Johnathan Brandenburg (deceased)
Relation: Great Uncle (Denise Melnitz's brother)
Canon: Fan (Fritz Baugh)

Dr. Cyrus Spengler
Relation: Great Uncle
Canon: RGB

Christopher Melton (deceased)
Relation: Great Great Grandfather
Canon: Fan (Fritz Baugh)

Zedikiah Spengler (deceased)
Relation: Ancestor (18th century)
Canon: RGB

Eli Spengler (deceased)
Relation: Ancestor (17th century)
Canon: RGB

Ezekiel Spengler (deceased)
Relation: Ancestor (17th century)
Canon: Fan (name by Matthew Riddle)

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