Mr. X
There was a time when the streets of a world of heroes and villains whispered a single name: Mr. X. No monument marks it now, yet every old copy of every old paper still remembers.
All data from the awesome folks at Marvel.
There was a time when the streets of a world of heroes and villains whispered a single name: Mr. X. No monument marks it now, yet every old copy of every old paper still remembers.