Dr. Double X

4 appearances · First published 1958

Dr. Double X (energy duplicate of Dr. Simon Ecks) appears in 4 issues in grailworth's catalog, and was first published in 1958.

Deaths

Batman #75 (2016)Death

Every appearance we value

Batman (2016) 2 issues

Crisis on Infinite Earths (1985) 1 issue

#10

World's Finest Comics (1941) 1 issue

#276

Character appearances from the Grand Comics Database, CC BY-SA 4.0.