The Kroloteans are a fictional extraterrestrial race existing in the DC Universe. They first appear in Green Lantern (vol. 4) #4. Fictional character biography Native to the planet Krolotea in Space Sector 2812, the Kroloteans, who were also known as Gremlins, were an insidious race who performed genetic experiments on subjects in an unethical attempt at creating a scientifically advanced race of super warriors to sell to the highest bidder. They had no compunctions with manipulating the evolution of other species as part of their experimentations, so long as it produced highly destructive "weapons" which they could sell to their clients. At some point, they began arriving on the planet Earth, where they became known as Gremlins. They are responsible for the experiments done on Hector Hammond, Black Hand, and The Shark. Kroloteans are known to experiment on numerous species throughout the universe. Villain of Green Lantern The Green Lantern Venizz during her service managed to uncover a Krolotean concentration camp where she liberated its prisoners who were subjected to various experiments by the Gremlins. Among the many victims was a being known as Tagort whose body and strength were overgrown as a result of his captors experimentation's. They were notably allied with Evil Star who referred to them as his "Starlings" and were searching for the Black that was linked to the prophecy of the Blackest Night. The Gremlins later returned where they abducted a Human being and conducted experiments in artificial evolution on him which turned him into a Roswell Grey type of creature whereupon he was returned to Earth. Once there, he was killed when a truck ran him over by accident to which the individual stated that all he did was go out for a cigarette. Investigating the situation, Hal Jordan was contacted by the Belle Reve prison authority which informed him that Hector Hammond had information on the event. Going to the prison, Jordan bargained with Hammond who eventually revealed that he did not know the creatures names but they were responsible for transforming him as well as conducted numerous experiments over the years and that they had returned to keep watch over another experiment. They also kept track on the movements of William Hand and abducted him whilst he was on an airplane. Once among them, they began experimenting on him and returned him to Earth with the intention of him fighting against Hal