Doctor Double X
Simon Ecks

Religion: not determined yet

Name: Doctor Double X

Alter Ego: Simon Ecks

Other Names: Dr. Double X

Classification: villain

Publisher(s):

First Appearance: Detective Comics (vol. 1) #261 (Nov. 1958): "The Amazing Dr. Double X!"

Creators: Dave Wood, Sheldon Moldoff, Charles Paris

Super? (Has Super Powers/Special Abilities/Technology): Yes

Number of Appearances: 9

Enemy of: Batman

Gender: male

This character is in the following story which has been indexed by this website: