- Adam Knight is a metahuman with the ability to change his appearance at will.
- Initially known as The Prototype, he was a subject of Project LuthorCorp, a secret experimental project run by Lex Luthor to create superhumans.
- Escaping from the project, he assumed the identity of a high school student.
- Clark Kent, with Chloe Sullivan's help, discovers Adam's true identity after Chloe's cousin is attacked.
- Adam reveals that Lex altered his DNA to give him "powers of the gods", causing him to lose control of his abilities and become a danger to others.
- In a confrontation with Lex, Adam transforms uncontrollably and seemingly disintegrates.