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DC Comics

Peacekeeper-01

Sean Mahoney24 series47 issues

Peacekeeper-01, also known as Sean Mahoney, has appeared in 47 comics from DC Comics since 2021. The most recent cataloged appearance dates to 2023. Team affiliations include Stormwatch, Arkham Asylum Staff and Magistrate. Most cataloged appearances come from Batman.

Real Name
Sean Mahoney
Hero Name
Peacekeeper-01
Publisher
First Appearance
Future State: The Next Batman #1 (2021)
Aliases
Sean Mahoney

Latest Series Appearances

Batman: The Brave and the Bold

Batman: The Brave and the Bold (2023)

DC Comics

20 issues

Knight Terrors: Ravager

Knight Terrors: Ravager (2023)

Limited Series

DC Comics

2 issues

Future State: Gotham

Future State: Gotham (2022)

Collected Edition

DC Comics

3 issues

The Joker

The Joker (2021)

Collected Edition

DC Comics

3 issues

Wildstorm 30th Anniversary Special

Wildstorm 30th Anniversary Special (2022)

One-Shot

DC Comics

The Joker

The Joker (2021)

DC Comics

15 issues

Future State: Gotham

Future State: Gotham (2021)

DC Comics

18 issues

Batman: Fear State Saga

Batman: Fear State Saga (2022)

Collected Edition

DC Comics

1 issue

Infinite Frontier

Infinite Frontier (2022)

Collected Edition

DC Comics

1 issue

Batman

Batman (2020)

Collected Edition

DC Comics

6 issues

Latest Issue Appearances

Batman: Pygmalion, Part 1; Stormwatch: Down With the Kings, Part 6; Harcourt: Second Life, Part 3; The Performance
#6

Batman: Pygmalion, Part 1; Stormwatch: Down With the Kings, Part 6; Harcourt: Second Life, Part 3; The Performance

Batman: The Brave and the Bold (2023)

Oct 24, 2023

Batman: The Winning Card, Part 3; Stormwatch: Down With the Kings, Part 5; Harcourt: Second Life, Part 2; The Angel of Gotham
#5

Batman: The Winning Card, Part 3; Stormwatch: Down With the Kings, Part 5; Harcourt: Second Life, Part 2; The Angel of Gotham

Batman: The Brave and the Bold (2023)

Sep 26, 2023

Enter the Abyss; Stormwatch: Down with the Kings, Part 4; Harcourt: Second Life, Part 1; My Family
#4

Enter the Abyss; Stormwatch: Down with the Kings, Part 4; Harcourt: Second Life, Part 1; My Family

Batman: The Brave and the Bold (2023)

Aug 22, 2023

Part Two
#2

Part Two

Knight Terrors: Ravager (2023)

Aug 01, 2023

Mr. Baseball; Stormwatch: Down with the Kings, Part 3; Superman: Order of the Black Lamp, Part 3; All Things Considered: City of Monsters
#3

Mr. Baseball; Stormwatch: Down with the Kings, Part 3; Superman: Order of the Black Lamp, Part 3; All Things Considered: City of Monsters

Batman: The Brave and the Bold (2023)

Jul 25, 2023

Part One
#1

Part One

Knight Terrors: Ravager (2023)

Jul 04, 2023

Batman: The Winning Card, Part 2; Stormwatch: Down with the Kings, Part 2; Superman: Order of the Black Lamp, Part 2; All Things Considered: Scars
#2

Batman: The Winning Card, Part 2; Stormwatch: Down with the Kings, Part 2; Superman: Order of the Black Lamp, Part 2; All Things Considered: Scars

Batman: The Brave and the Bold (2023)

Jun 27, 2023

Batman: The Winning Card, Part 1; Stormwatch: Down with the Kings, Part 1; Superman: Order of the Black Lamp, Part 1; Heroes of Tomorrow
#1

Batman: The Winning Card, Part 1; Stormwatch: Down with the Kings, Part 1; Superman: Order of the Black Lamp, Part 1; Heroes of Tomorrow

Batman: The Brave and the Bold (2023)

May 16, 2023

Vol. 3: Batmen at War
#3

Vol. 3: Batmen at War

Future State: Gotham (2022)

Apr 11, 2023

Volume Three
#3

Volume Three

The Joker (2021)

Feb 21, 2023

Teams

Arkham Asylum Staff

Arkham Asylum Staff

Magistrate

Magistrate

Stormwatch

Stormwatch

Teammates

Martian Manhunter

Martian Manhunter

J'onn J'onzz

Harley Quinn

Harley Quinn

Harleen Frances Quinzel

Hawkman

Hawkman

Carter Hall

Jason Todd

Jason Todd

Jason Peter Todd

Ray Palmer

Ray Palmer

Raymond Palmer

Scarecrow

Scarecrow

Jonathan Crane

Lobo

Lobo

Lobo

Etrigan

Etrigan

Jason Blood

Grifter

Grifter

Cole Cash

Rainmaker

Rainmaker

Sarah Rainmaker

Appears alongside

Simon Saint

Simon Saint

Miracle Molly

Miracle Molly

Mary Kowalski

Squeak

Squeak

Peacekeeper-X

Peacekeeper-X

Ricardo

Wyze

Wyze

Dormouse

Core

Core

Pavlo Stupka

Xanto Zema

Xanto Zema

Breaker

Breaker

Ghost-Maker

Ghost-Maker

Minhkhoa Khan

The Gardener

The Gardener

Bella Garten

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