CapeZoneCapeZoneCharacter/DC
from Martian Manhunter
Dr. Erdel first appeared in Detective Comics #225 (1955-11), published by DC. 68 appearances are indexed across 57 series.
Character history
Across the catalog
Justice League of America
1960–1987
2 issues →
Showcase Presents: Martian Manhunter
2007–2009
1 issue →
Superman: Emperor Joker
2007–2007
1 issue →
Final Crisis: Requiem
2008–2008
1 issue →
Final Crisis Companion
2009–2009
1 issue →
The World's Greatest Super-Heroes
2010–2010
1 issue →
Action Comics
2011–
1 issue →
DC Universe Secret Origins
2012–2012
1 issue →
DC Universe: Secret Origins
2013–2013
1 issue →
Martian Manhunter: Son of Mars
2014–2014
1 issue →
Crisis on Infinite Earths Deluxe Edition
2015–2015
1 issue →
DC: The New Frontier - The Deluxe Edition
2015–2015
1 issue →
Elseworlds: Batman
2016–2018
1 issue →
Tales of the Batman: Alan Brennert
2016–2016
1 issue →
Superman: Emperor Joker
2016–2016
1 issue →
Justice League of America: The Silver Age
2016–2018
1 issue →
Justice League of America: The Silver Age Omnibus
2016–2020
1 issue →
DC: The New Frontier
2016–2016
1 issue →
Planetary
2017–2018
1 issue →
Justice League of America: The Bronze Age Omnibus
2017–2021
1 issue →
Zero Hour: Crisis in Time
2018–2018
1 issue →
Final Crisis 10th Anniversary Omnibus
2018–2018
1 issue →
Martian Manhunter
2019–2020
1 issue →
Detective Comics: 80 Years of Batman
2019–2019
1 issue →
Crisis on Infinite Earths: 35th Anniversary Deluxe Edition
2019–2019
1 issue →
DC: The New Frontier
2019–2019
1 issue →
Martian Manhunter: Identity
2020–2020
1 issue →
Justice League of America: A Celebration of 60 Years
2020–2020
1 issue →
Legends of the DC Universe: Doug Mahnke
2021–2021
1 issue →
Crisis on Multiple Earths
2021–2023
1 issue →
DC Through the '80s: The Experiments
2021–2021
1 issue →
History of the DC Universe
2023–2023
1 issue →
DC Finest: Zero Hour: Crisis in Time: Part Two
2025–2025
1 issue →
New History of the DC Universe
2025–2025
1 issue →