Callisto vs Cosmic Boy Facts
Origin
  
  
Creator
Chris Claremont, Paul Smith
  
Al Plastino, Otta Binder
  
Universe
Earth-616
  
Pre-Zero Hour
  
Publisher
Marvel
  
DC comics
  
First Appearance
  
  
In Comics
The Uncanny X-Men #169 - Catacombs
  
Adventure Comics #247 - The Legion of Super-Heroes
  
Comic Appearances
702 Issues
  
99+
977 Issues
  
99+
Characteristics
  
  
Hair Color
Black
  
Black
  
Eye Color
Blue
  
Blue
  
Profile
  
  
Race
Mutant
  
Alien
  
Citizenship
American
  
United Planets Citizen
  
Marital Status
Single
  
Single
  
Occupation
-
  
Not Available
  
Base
The Xavier Institute, Salem Center, Westchester County, New York State, (former) The Alley (beneath Manhattans surface), X-Factor Is sentient starship
  
Not Available
  
Relatives
Not Available
  
Not Available