The unfortunate creature was accidentally created when Professor Dalton tripped and caused the Duplicator's ray to hit Superboy. After causing mayhem in Smallville, Bizarro Superboy was destroyed by Superboy. Years later, the blueprints for Dalton's duplicator ray are obtained by Lex Luthor who builds his own version and creates the more familiar Bizarro #1.
- Bizarro Physiology
- Artistry: Bizarro carved a face of Superboy on a mountain.
- Disguise: Bizarro tries to disguise himself so others don't know that he is Bizarro.
- Diminished Intellect
- Vulnerability to the Duplicator Ray: Bizarro was weakened and ultimately destroyed by the glowing fragments of the machine that created him.
- Monstrous Appearance
- This Bizarro creature's physiology is extremely unstable. He was destroyed and turned to dust when he collided with Superboy who was holding a glowing piece of the duplicator ray.
- 4 Appearances of Bizarro Superboy (Earth-One)
- 2 Images featuring Bizarro Superboy (Earth-One)
- Quotations by or about Bizarro Superboy (Earth-One)
- Character Gallery: Bizarro Superboy (Earth-One)