When a stranger visited their world, Metallo was in the process of capturing the entire Unjustice League and reign Bizarroworld, but was stopped by both Bizarro and the stranger who released the League only so they can destroy the city and leave it messy all over again.
- Bizarro Physiology
- Cybernetic Enhancement: Metallo created a robotic body of sorts with the twisted technology of his world.
- Genius Level Intellect: When Metallo got his computer brain, he developed an intelligence far superior to others of his planet.
- 2 Appearances of Metallo (Earth 29)
- 1 Images featuring Metallo (Earth 29)
- 1 Quotations by or about Metallo (Earth 29)
- Character Gallery: Metallo (Earth 29)
This character is or was primarily an enemy of the Justice League, in any of its various incarnations. This template will categorize articles that include it into the category "Justice League Villains."