- Virus Infection: To save David's life, who was almost killed by Jericho, Dr. Villain infected him with a virus synthesized from Deathstroke and Jericho's DNA. His body's immune system mutated to combat that virus, granting him super-powers. (see Weaknesses below for bad side effects)
- Genius Level Intellect
- He is catholic.
- It was he who gave the alias Jericho to Joseph based on the Bible. It was about justice breaking down strongholds.
- 13 Appearances of David Isherwood (Prime Earth)
- 6 Images featuring David Isherwood (Prime Earth)
- 2 Quotations by or about David Isherwood (Prime Earth)
- Character Gallery: David Isherwood (Prime Earth)