Dr. Johnathan Christopher Spengler

Son of Professor Egon Spengler and his wife, Janine

"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
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.

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

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.

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

June 13 Birth of Eden Marie and Johnathan Christopher Spengler.

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

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.

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.

Future Fate
Dr. John Spengler, unsurprisingly, becomes an accomplished scientist in his own right, and joins his parents' company in 2021. In 2023, he journeys back to 1986 then 2003 to aid his father's team. He also seems to be developing a relationship with fellow Ghostbuster T.J. Anderson, a former Scotland Yard detective.

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
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 Irwin
Relation: Cousin
Canon: RGB; last name is Fan (Fritz Baugh)

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

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

Ghostbusters 2023 Gallery

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