JOHN O'NEIL

Teenage Mutant Ninja Turtles #29

Earliest catalogued appearance of John O'Neil.

Dec 2013

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Teenage Mutant Ninja Turtles #30

Jan 2014

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Teenage Mutant Ninja Turtles #32

Mar 2014

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Teenage Mutant Ninja Turtles #36

Jul 2014

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Teenage Mutant Ninja Turtles #38

Earliest catalogued appearances of Mondo Gecko and Herman the Hermit Crab.

Sep 2014

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Teenage Mutant Ninja Turtles #39

Oct 2014

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Teenage Mutant Ninja Turtles #40

Nov 2014

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Teenage Mutant Ninja Turtles #46

May 2015

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Teenage Mutant Ninja Turtles #47

Jun 2015

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Teenage Mutant Ninja Turtles: Casey and April #3

Aug 2015

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Teenage Mutant Ninja Turtles #55

Feb 2016

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Teenage Mutant Ninja Turtles #78

Jan 2018

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Teenage Mutant Ninja Turtles #79

Feb 2018

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Teenage Mutant Ninja Turtles #80

Mar 2018

No listings

Teenage Mutant Ninja Turtles Universe #21

Earliest catalogued appearance of Ma'riell.

Apr 2018

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Teenage Mutant Ninja Turtles #90

Jan 2019

No listings

Teenage Mutant Ninja Turtles #100

Nov 2019

No listings

Teenage Mutant Ninja Turtles: Sourcebook #1

Feb 2024

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