Professor Ivo is a DC Comics supervillain and mad scientist obsessed with immortality, best known for creating the power-copying android Amazo. This timeline covers his comic book appearances from his debut in 1960 through recent storylines, highlighting his quest for eternal life, his battles with the Justice League, and his involvement with villainous organizations.
Professor Ivo debuts in 'The Brave and the Bold' #30, created by Gardner Fox and Murphy Anderson. He devises an immortality serum but requires a rare element, leading to conflict with the Justice League of America. #dccomics #firstappearance
In 'Justice League of America' #3, Professor Ivo builds the android Amazo, which can replicate the powers of any metahuman. Amazo battles the JLA and nearly defeats them until the Atom's shrinking power causes it to malfunction. #dccomics #amazo
In 'Justice League of America' #29, Ivo teams up with the Crime Syndicate from Earth-3, using his inventions to aid their schemes. This marks one of his earliest cross-dimensional collaborations. #dccomics #crimesyndicate
In 'Justice League of America' #40, Ivo perfects his immortality serum but discovers it causes a fatal disease unless periodically treated. This flaw drives his subsequent obsession with finding a permanent cure. #dccomics #immortality
Professor Ivo becomes a member of the original Secret Society of Super Villains, working alongside Lex Luthor and others to oppose the Justice League. This affiliation enhances his villainous network. #dccomics #secretsociety
Ivo returns with a new scheme to steal the JLA's powers using a modified Amazo. The story highlights his persistent threat to the team. #dccomics #jla
In the 'Super Friends' animated series episode 'The Secret of the Phantom Zone', Ivo appears as a villain. Although not a comic milestone, it expands his media presence. #dccomics #superfriends
A flashback story reveals Ivo's early experiments with longevity and his descent into villainy after the death of his wife. Provides depth to his motivation. #dccomics #origin
In 'Justice League of America' #231, Ivo upgrades Amazo with new abilities, including the capacity to evolve and adapt, making it more dangerous. #dccomics #amazo
A biographical entry for Professor Ivo is published in the Who's Who series, codifying his powers, history, and inventions for the first time. #dccomics #whoswho
Part of the post-Crisis reboot, Ivo is featured in the new Justice League series by Keith Giffen and J.M. DeMatteis, often as a comedic antagonist. His bumbling persona emerges. #dccomics #justiceleague )
In 'Justice League International' #23, Ivo becomes a member of the Injustice League, a group of D-list villains. His inclusion emphasizes his status as a recurring, if often ineffective, foe. #dccomics #injusticeleague
The event 'Underworld Unleashed' sees Ivo making a deal with the demon Neron for power, but he is tricked and loses his soul temporarily. This story affects his later characterization. #dccomics #underworldunleashed
In 'JLA' #1-4, Grant Morrison's run features Amazo achieving sentience and breaking free from Ivo's control, becoming a rogue android. Ivo is forced to ally with the JLA to stop it. #dccomics #jla )
Ivo attempts to use Kryptonian technology for immortality but is thwarted by Superman. This crossover highlights his persistent obsession. #dccomics #superman
In the animated-inspired comic 'Justice League Adventures' #1, Ivo uses a device to drain the JLA's powers, similar to his classic schemes. #dccomics #justiceleagueadventures
The miniseries 'JLA: Year One' retroactively includes Ivo as an early foe, showing his classic confrontations with the League. #dccomics #jlayearone
The maxi-series 'Identity Crisis' involves Ivo as a minor character, his technology used by other villains. The story impacts the DC Universe's tone. #dccomics #identitycrisis )
In 'Infinite Crisis' #1, Ivo joins Alexander Luthor Jr.'s Secret Society, playing a role in the multiverse story. He is seen with other genius villains. #dccomics #infinitecrisis
In 'The All-New Atom' #1-2, Ivo assists the villain Headmaster in a scheme involving shrinking technology. This story shows his collaborations with other scientists. #dccomics #theatom
In the limited series 'Justice League: Cry for Justice', Ivo is manipulated by Prometheus to provide technology, leading to a devastating attack on Metropolis. #dccomics #cryforjustice
In the New 52 reboot, Ivo is reimagined in 'The Flash' #1 as a scientist creating a serum to save his dying daughter, but it goes wrong. This adds a sympathetic layer. #dccomics #new52 #theflash )
In the MMORPG 'DC Universe Online', Ivo is a quest-giver and minor villain, expanding his presence in interactive media. #dccomics #videogames
Ivo appears as a minor foe in the early New 52 Justice League series, attempting to steal power from the team's cosmic energy source. #dccomics #justiceleague )
In 'Justice League' #9, Ivo unleashes an improved Amazo that can copy powers instantly, leading to a battle with the League. This story ties into the 'Throne of Atlantis' event. #dccomics #amazo
During 'Forever Evil', Ivo's daughter, who he tried to save, appears as a villainess. This storyline explores his family legacy. #dccomics #foreverevil
Ivo becomes a threat in the space-faring 'Justice League United', using alien technology to extend his life. #dccomics #justiceleagueunited
In 'Justice League' #40 (DC You), Ivo is recruited into Lex Luthor's Legion of Doom, serving as their scientific advisor. #dccomics #legionofdoom
In the animated film 'Justice League: Gods and Monsters', a version of Ivo is a minor character, reflecting his reach into alternate universes. #dccomics #godsandmonsters
In the Rebirth era, Ivo is seen in the background of 'DC Universe: Rebirth' #1, hinting at his continued presence in the DCU. #dccomics #rebirth
Ivo is a supporting villain in 'The Terrifics', teaming up with Mr. Terrific to solve a scientific mystery, showing his complex nature. #dccomics #theterrifics
While not DC, a homage to Ivo appears in a Marvel comic, indicating his cultural impact. However, officially this is a DC event placeholder. #dccomics
During 'Justice League: No Justice', Ivo is imprisoned but escapes, attempting to harness cosmic power. He is quickly subdued. #dccomics #nojustice
In 'Justice League' Annual #1 (2019), Ivo is seemingly killed by the villain Brion Markov (Geo-Force) during the 'Justice League vs. the Legion of Doom' arc. #dccomics #justiceleagueannual
Professor Ivo appears in the 'Harley Quinn' animated series as a bumbling scientist, voiced by Tom Kenny. This introduces him to a wider audience. #dccomics #harleyquinn )
Ivo is resurrected by the Batman Who Laughs' forces in 'Dark Nights: Death Metal' to serve as a scientist in the dark multiverse, but he betrays them. #dccomics #deathmetal
In 'Infinite Frontier' #0, Ivo is shown experimenting with multiversal energies, setting up his role in the new DC status quo. #dccomics #infinitefrontier
In 'The Flash' season 8, Professor Ivo is referenced as a deceased scientist whose technology is used by other villains. #dccomics #theflash )
Ivo appears as a villain in the retro-style 'World's Finest' series, teaming up with the Joker to create a chaos-inducing device. #dccomics #worldsfinest
In 'Green Arrow' #1 (2023), Ivo is revealed to be funding anti-metahuman hate groups, using his wealth and intelligence to manipulate society. #dccomics #greenarrow )
In the crossover event 'Justice League vs. Godzilla vs. Kong' #1, Ivo tries to control the giant monsters with Amazo, leading to a destructive battle. #dccomics #crossover