The Imskians first appeared in the pages of Superboy and the Legion of Super-Heroes #234, (December, 1977).
Imskians are the inhabitants of the planet Imsk located in the Milky Way. The planets special attribute to shrink has since made its residents to have the ability to shrink.Their race didn't originate on Imsk, but were descendants of a Krill Colony. They arrived on Imsk almost a million years ago. Imskians are members of the United Planets in the 31st century.
There have been a few members of the race of Imskians who have special notoriety. The member of the Legion of Superheros, Shrinking Violet is one and the most famed. Although born on Earth her parents returned to Imsk and she was raced there. Another is Micro Lad who had at one time been rejected from the Legion tryouts. He would soon become a criminal and joined both the Legion of Superheros and a separatist group on Imsk. The last briefly appeared on another Legion tryout in the Pre-Boot universe, Ion was however murdered by Micro (Micro Lad).