Real Name: N/A
Occupation: Criminal
Marital Status: Single
Base of Operations: Gotham
Height: N/A
Weight: N/A
Eyes: N/A
Hair: N/A
First Appearance: Batman #62 (December 1950-January 1951)
Created By: Bill Finger

Mousey, a diminuative small-time hoodlum, uses stilts and elaborate wooden frame concealed beneath his suit to make it appear he is large and powerful.