Professor Marko

Real Name: Demetrius Marko
Background: Demetrius Marko was an inventor and the discoverer of anti-time particles. When the villain group Black Sunday broke into his lab, he used an anti-time device to defeat them. He briefly joined the first Guardians team as a superhero and later remained as the team's technical advisor.
Group Affiliation: The Guardians, first team
Status: At last report, Marko was exploring the Cretaceous Era.
Skills: Marko is one of the world's foremost experts on time travel.
Technology: Marko had a well-furnished but quite disorganized lab in Los Angeles. At one point, he made use of a small antique-looking box strapped to his belt that would cause time to speed up or slow down around him, allowing him to move in a time flow of his own.
Creator: Steve Mancuso
First Appearance: GUARDIANS OF LA #45
Category:Heroes
Category:Characters
Category:Silver Age