Creator
Carl Gafford, Dan Mishkin, Ernie Colon, Gary Cohn, Karen Berger, Keith Giffen, Larry Mahlstedt, Paul Levitz, Tom Ziuko
  
Jack Kirby, Stan Lee
  
In Comics
Legion of Super-Heroes Vol 2 #298
  
The X-Men #19 - Lo! Now Shall Appear the Mimic!