Sarge Steel is a detective and government agent with a steel prosthetic hand. He has been involved with the Central Bureau of Investigation, Checkmate, the Department of Metahuman Affairs, and Living Assault Weapons.
Sarge Steel was created by Pat Masulli, first appearing in the Charlton Comics publication Sarge Steel #1 (1964).
Multiverse
Earth 4
Pax Americana
Earth 23
The Curse of Superman
Alternate Timeline
Flashpoint
Other Media
DCAU
Batman and Harley Quinn