DC Database

Gerome McKenna was an Everyman Project subject and member of Infinity, Inc.. He was originally the super-strong Nuklon, but after the project was shelved he gained new powers and became Double Trouble.

Gerome McKenna was originally from Los Angeles, California. He dreamed of being chosen to participate in Lex Luthor's Everyman Project. His family showed great support for his aspiration. His father sold his business, his brother dropped out of school, and his mother began working a second job to raise money. Their hard work paid off, and Gerome was selected for the project. This gave him superstrength. He became a member of Luthor's new incarnation of Infinity, Inc as Nuklon.[1]

After Lex Luthor shut down the Everyman Project, Gerome was one of the few that survived. However the experiments had activated his Metagene, giving him the power to split into two independent beings. He takes the name Double Trouble and rejoined Steel's new Infinity Inc.

The duplicate Gerome began to bully the original. Eventually, the duplicate determined to kill the original, believing that this would leave him free to do as he wished. However, when the original died, the duplicate faded out of existence.[2]


  • Bio-Fission: Gerome developed a latent metahuman ability to generate doppelgangers of himself through an act of will. Each doppelganger can function independently of the core host. As of yet, it is undetermined how many duplicates of himself Gerome can manifest. Gerome does not appear to suffer any ill effects if one of his duplicates is injured or even killed.


  • Power Limitation: While Gerome will not be affected if his duplicates are injured, his duplicates will feel everything if he is. He also appears to have some confusion about who is the original out of him and his duplicates from time to time, fearing that he is just another copy.

  • In his first appearance, in 52 Week Nine, Gerome McKenna is referred to as "Herakles."