
Mentor (A'lars) is a fictional character appearing in American comic books published by Marvel Comics. The character first appeared in Iron Man vol. 1 #55, and was created by Jim Starlin. Mentor is the leader of the Titanian colony where he is the father of Thanos and Starfox. His back-story was based on Greek mythology. Some years later, he was retconned to be a member of the Eternals, a race in the Marvel Universe created by Jack Kirby, separately based on Greek mythology.