Before becoming a henchwoman, Echo was a biker. She later joined forces with Diedre Vance, a dominatrix, and the two started operating under the name Query and Echo. They were mostly into robbing convenience stores. It was during one such job that they encountered the Riddler, who was at a low point in his criminal career. The Riddler recognized them as "kindred spirits," and all three began working together.
- 13 Appearances of Nina Damfino (New Earth)
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