Real Name: Unknown
Occupation: Criminal
Marital Status: Unknown
Base of Operations: Gotham
Height: Unknown
Weight: Unknown
Eyes: Unknown
Hair: Unknown
First Appearance: Batman: Gotham City Secret Files #1/3 (April 2000)
Created By: Bob Rozakis

A criminal in Gotham City who for a time impersonated various of Batman's enemies in order to covertly plant various explosive devices on properties owned by Bruce Wayne, against whom the Skeleton has a real grudge. What became of his plans for revenge is as yet unknown, as is the Skeleton's true identity.