Oct 1, 1980 CE
First Appearance in DC Comics Presents #26
Psimon debuts as a telepathic villain empowered by the demon Trigon. #DCComics #Psimon
Chronological Storyline (40 Milestones)
Feb 1, 1981 CE
Origin Revealed in Tales of the New Teen Titans #1
Psimon's backstory as Simon Jones, a scientist experimented on by Trigon, is revealed. #DCComics #Origin
Sep 1, 1981 CE
Fearsome Five First Assemble in New Teen Titans #10
Psimon leads the newly formed Fearsome Five against the Teen Titans. #DCComics #FearsomeFive
Mar 1, 1982 CE
Brain Dome Exposed in New Teen Titans #12
During battle, Psimon's brain dome is cracked, revealing his vulnerability. #DCComics #Villain
Jan 1, 1983 CE
Defeated by Teen Titans in New Teen Titans #25
The Titans overcome Psimon and the Fearsome Five, leading to Psimon's imprisonment. #TeenTitans #DCComics
Aug 1, 1984 CE
Escapes Prison in New Teen Titans #40
Psimon breaks free and seeks revenge on the Titans. #DCComics #Escape
Jun 1, 1985 CE
Alliance with Brother Blood in New Teen Titans #45
Psimon temporarily allies with Brother Blood to attack the Titans. #DCComics #Alliance
Dec 1, 1986 CE
Killed by Trigon in New Teen Titans #48
Trigon kills Psimon for his failures. #DCComics #Death
May 1, 1988 CE
Resurrected by Dark Angel in New Teen Titans #68
The villain Dark Angel revives Psimon to serve her purposes. #DCComics #Resurrection
Oct 1, 1989 CE
Joins the Injustice League in Justice League America #30
Psimon becomes a member of the Injustice League. #DCComics #InjusticeLeague
Apr 1, 1990 CE
Battle with Justice League in Justice League America #35
Psimon fights the Justice League and is defeated. #DCComics #JusticeLeague
Aug 1, 1991 CE
Power Upgrade in Teen Titans #80
Psimon receives a power boost from a mystical source. #DCComics #PowerUp
Mar 1, 1992 CE
Betrays Fearsome Five in Team Titans #15
Psimon turns on his teammates for personal gain. #DCComics #Betrayal
Nov 1, 1993 CE
Reformed Temporarily in Teen Titans #100
Psimon briefly reforms and helps the Titans against a greater threat. #DCComics #Reform
Jul 1, 1995 CE
Returns to Villainy in New Titans #120
Psimon reverts to his criminal ways. #DCComics #Villainy
Feb 1, 1997 CE
Captured by Tartarus in JSA #50
The Justice Society apprehends Psimon. #DCComics #JSA
Jun 1, 1999 CE
Released from Prison in Titans #20
Psimon escapes custody. #DCComics #Escape
Sep 1, 2000 CE
Forms New Fearsome Five in Titans #25
Psimon assembles a new team of villains. #DCComics #FearsomeFive
Apr 1, 2001 CE
Battle with Titans in Titans #30
Psimon leads his new Fearsome Five against the Titans. #DCComics #Titans
Jan 1, 2003 CE
Mind-Control Plot in Teen Titans #50
Psimon attempts to take over the world with mind control. #DCComics #MindControl
Aug 1, 2004 CE
Imprisoned in Belle Reve in Identity Crisis #7
After a major battle, Psimon is sent to Belle Reve prison. #DCComics #BelleReve
Mar 1, 2006 CE
Releases from Belle Reve in Villains United #5
The Secret Society of Super Villains breaks Psimon out of prison. #DCComics #SecretSociety
Oct 1, 2006 CE
Joins Secret Society in Infinite Crisis #7
Psimon becomes a member of the Secret Society. #DCComics #InfiniteCrisis
May 1, 2008 CE
Fight with Titans in Titans #5
Psimon clashes with the new Titans team. #DCComics #Titans
Dec 1, 2009 CE
Power Absorbed by Black Lantern in Blackest Night #4
A Black Lantern ring briefly reanimates Psimon. #DCComics #BlackestNight
Apr 1, 2010 CE
Alliance with Trigon Again in Teen Titans #80
Psimon reconnects with Trigon for power. #DCComics #Trigon
Sep 1, 2011 CE
New 52 Introduction in New Teen Titans #1 (New 52)
Psimon appears in the New 52 continuity with a redesigned look. #DCComics #New52 )
Jun 1, 2012 CE
Brain Dome Upgrade in Red Hood and the Outlaws #12
Psimon's brain dome is enhanced with alien technology. #DCComics #Upgrade
Feb 1, 2013 CE
Defeated by the Outlaws in Red Hood and the Outlaws #15
The Outlaws capture Psimon. #DCComics #Outlaws
Aug 1, 2014 CE
Appearance in Futures End #10
Psimon appears in the Futures End timeline. #DCComics #FuturesEnd
Mar 1, 2015 CE
Convergence Event in Convergence: Teen Titans #1
Psimon participates in the Convergence crossover. #DCComics #Convergence
2016 CE
DC Rebirth Appearance in Titans #1
Psimon appears in the Rebirth era as a primary antagonist. #DCComics #Rebirth
2017 CE
Teen Titans: The Lazarus Contract Crossover
Psimon plays a role in the Lazarus Contract storyline. #DCComics #LazarusContract
2018 CE
Death in Titans Annual #2
Psimon is killed by Deathstroke. #DCComics #Death
2019 CE
Return as Manifestation in Year of the Villain #1
Psimon returns as a psychic manifestation. #DCComics #YearOfTheVillain
2020 CE
Appearance in Dark Nights: Death Metal #2
Psimon appears as a member of the Batman Who Laughs' army. #DCComics #DeathMetal
2021 CE
Future State: Teen Titans #1 Cameo
Psimon makes a cameo in the Future State event. #DCComics #FutureState
2022 CE
Infinite Frontier: Titans United #3
Psimon appears in the Titans United miniseries. #DCComics #TitansUnited
2023 CE
Dawn of DC: Titans #1 Cameo
Psimon makes a brief appearance in the Dawn of DC relaunch. #DCComics #DawnOfDC
2024 CE
Psimon: The Brain Saga One-Shot Announced
A one-shot comic focusing on Psimon's origins is announced. #DCComics #Comics