Project Krypton helped create Peasy

“It wasn’t luck,” said Sorensen. He cleaned his glasses in a halfhearted way. “He was one of the Krypton subjects before I took control of the project a few years ago. I thought we’d flushed all the synthetic hormones and steroids from his system, but when he was exposed to the ex-virus they reacted in unforeseen ways.”

Excerpt From Ex-Patriots, pg 426
Peter Clines
https://books.apple.com/us/book/ex-patriots/id585738393