 Dr. Lemuel Dorcas first appeared in "Sub-Mariner" #5-6 (September-October 1968), and was created by Roy Thomas and John Buscema.The character subsequently appeared in "Sub-Mariner" #15 (July 1969), #23-24 (March-April 1970), #33 (January 1971), "Marvel Team-Up" #14 (October 1973), and "Super-Villain Team-Up" #1-3 (August-December 1975).The character made a posthumous appearance in "Marvel Tales" #249 (May 1991), and his body was later dumped into the ocean in "Namor" #42 (September 1993).