[17] Kalibak once harbored 3rd world technology called a Thunderbelt, which vastly augmented his physical strength to the point he could better overcome Orion.
[24] Unbeknownst to her, Slade was using his hunting trips to gain clients for his mercenary side job, which resulted in the kidnapping and near-death of their younger son Joseph.
A terrorist group (later revealed to be the organization known as the "Many Arms of Death"[37]) kidnapped the family during their trip, and Col. Kane led a rescue mission to save them.
[44] After Kate became a vigilante, Jacob aided her campaign against crime by organizing her training, designing her Batwoman suit and gear, developing her operational headquarters, and maintaining radio contact with her during patrols to provide information and advice.
[31] The Alice persona kidnaps Col. Kane,[30] who immediately recognizes as his now-grown daughter Beth, and uses him to gain access to a military base near Gotham City.
Her history and existence has been repeatedly retconned over the years, sometimes implying that she died in a car crash, other times that she left Gotham with James for Chicago.
This connection was unbeknownst to him for years, believing he had been transformed into a metahuman with negative powers, but eventually, Larry learnt how to summon and control Keeg from his body.
[50] Karen moved to Latham, marrying a man named Charlie Jarvis, who was abusive and jealous, wanting above all the deed to the family mansion, which she didn't have.
[51] Knowing all the people he had killed, Karen felt guilty for Jonathan's deeds and contemplated suicide, but talked out of it by Deadman.
After the Spectre returns Linda to the post-Crisis era, Ariella is left alone and travels to the 853rd century, where she unknowingly causes massive devastation.
According to an interview with Newsarama, following the events of Infinite Crisis, Didio stated that the Matrix Supergirl was wiped from existence.
A hybrid of metahuman/Kryptonian heritage, Ariella possesses immense strength, durability, and speed and a slowed aging process, as well as the ability to fly, travel through time at will, move objects with her mind, teleport, and duplicate herself.
[54][55] William Kenzie is a corrupt officer of the Gotham City Police Department, involved in an operation to profit a percentage from illegal sales.
Professor Thaddeus Killgrave is a mad scientist with dwarfism who would either create technology to fight Superman or sell them to other criminals.
Kipling was created as a substitute, and was based upon Richard E. Grant's title character from the British cult film Withnail and I.
Kirigi was later hired by Ra's al Ghul to train members of the League of Assassins in ninjutsu such as the Bronze Tiger.
Often obscuring her true motives behind a facade of youthful innocence, Carnes has built a network of judges, lawyers, and others willing to assist her.
Consumed by his desire for the Totem's enlightenment, Lacroix strove to destroy Oliver Queen and the Green Arrow and became the masked archer "Komodo".
Through his company Stellmoor International, he works on behalf of the Outsiders, a shadowy secret society of warriors from different weapon disciplines, which he wants to rule.
[citation needed] He was working to create an army of androids to take over Earth, resulting in his nephew and Dan Garrett investigating and foiling his ambitions.
[86] After his nephew Ted went to him for help in activating the Blue Beetle scarab, Jarvis sought to use the device to create an army of robots to take over Hub City.
In the present, Jarvis manipulates Jaime Reyes into believing he is Ted in another attempt to obtain the scarab, only to foiled by him and Batman.
Displeased by Ted's activities, Victoria attempts to use the Blue Beetle scarab to develop and mass-produce the OMAC project.
He was born to Queen Cora of Poseidonis but abandoned at birth due to his grotesque, green-scaled body, managing to survive in the ocean thanks to his mental control over sea creatures.
When green Martians are looking for a new home world, they accidentally release an imprisoned giant alien named Korge, who refers to himself as the god of rage.
He has the ability to fight superhumans with their weaknesses, like turning yellow when confronting Green Lantern, creating kryptonite when facing Superman and fire against Martians.
This incarnation is most well-known pre-Crisis on Infinite Earths from his appearance and death in the non-continuity story Superman: Whatever Happened to the Man of Tomorrow?.
When a nearby cosmic body threatens life on Krypton, Kryptonite Man sends his people into stasis underground.
[104] This version of the character is created when Captain Atom absorbed the explosive energy from Major Force, then went out to destroy a Kryptonite meteor.
[105] After DC Comics' One Year Later jump, a scientist named K. Russell Abernathy was working on an experiment to use Kryptonite to develop a new energy source using isotopes.