Kid Hardcore
From Jenny Everywhere Wiki
Kid Hardcore (who continued to use that name even in adulthood) was the son of a notorious superhero from Universe Gemini.
Before being killed in the line of duty, the senior Hardcore left behind a number of children: one, Kid Hardcore, was legitimate, while the rest, Queensize, Plus,Presto, Block and Zed Hudson, were half-siblings by as many different mothers. However, all inherited superpowers from their father, and later attempted to continue his legacy, with the exception of Zed, who preferred a normal life. Kid Hardcore was the most passionate about being viewed as his father's successor, looking down on his illegitimate half-siblings (particularly Zed, whom he viewed as a “punk”). (COMIC: Zed Vs. The Backstory)