Issue: #6
In "Who Is...Enigma?", a shape shifter infiltrates the Enterprise in an effort to halt peace talks between the Federation and Klingons.
First appearances: Robert Fox
Creators: John Costanza, Tom Sutton, Marv Wolfman, Mike W. Barr, Ricardo Villagrán, Michele Wolfman, Sal Amendola
Characters: Hikaru Sulu, Nyota Uhura, James T. Kirk, Christine Chapel, Konom, Elizabeth Sherwood, Leonard McCoy, Montgomery Scott, Saavik, Robert Fox