Rebecca McNider (Earth-2: Post-Crisis)

"Please, Mom. I want to go to the party. No, Rebecca. Why not? You know why not. You made a scene at the store today. I just wanted that doll. I spoil you too much, as it is. Daddy would let me go. Well, your dad's out on call, so you're stuck with me."

- Rebecca McNider and Myra McNider

Rebecca McNider was the daughter of Charles and Myra McNider.

Early Life
Rebecca McNider was born to Charles and Myra McNider decades before the 2010s. McNider spent most of her childhood in Melody Hills while her father was often on calls.

Bad Girl
When McNider was ten years old, she begged her mother to visit their neighbor's birthday party. Myra refused to let McNider go as she made a scene at a store prior, though the latter persisted and claimed that if Charles was at home, she would be allowed. Myra then emphasized Charles' absence and told McNider that she was stuck with her mother. However, McNider later saw a boy and was convinced to go to the party anyways, stealing one of the gifts and opening it. The boy soon blamed McNider for stealing and frightened her with a purple face, pulling out the Black Diamond from his pocket and killing McNider. McNider's body was later found by her mother, who screamed upon seeing the corpse.

Legacy
After McNider's death, the Justice Society of America mourned her death, even former enemy Richard Swift visited Charles McNider to comfort him. The Justice Society later learnt that the murderer was Eclipso, a powerful entity, from Swift. In the later years, Green Lantern, the Spectre, Doctor Fate, Hawkman and Hawkgirl all attempted to avenge McNider's death, though all failed at their goals. Eventually, the Justice Society decided to vote on whether to kill Eclipso's host, Bruce Gordon, or not to. In the vote, Wildcat, Hourman and Starman outvoted The Flash and Stripesy, deciding to kill Gordon and cast Eclipso into the Black Diamond to end the conflict. The Justice Society then slowly fell apart after the controversial event until they reunite against the Injustice Society of America in 2010.

However, even after the host was destroyed, the Black Diamond was found decades later by Cindy Burman and released once more. The reformed Justice Society of America led by Stargirl then gathered their allies and enemies against Eclipso, successfully defeating him and turning him into a piece of toast, avenging the death of Rebecca McNider.