Personal Info:
Real Name: Kyle (Last name unknown)
Also Known As: Jonathan Smythe, Nimbus, Andy "Murph" Murphy
Place Of Birth: Unknown
First Appearance: Adventure Comics Vol.1 #67 (1941) Golden Age Villain
Known Associates: Kyle, Nash, Neron, The Ultra-Humanite, Brainwave, Monocle, Psycho-Pirate, Rag Doll, Cheetah, Plant Master, Killer Frost, The Mist, Signalman, Vulcan, Son of Fire
Group Affiliation: Secret Society of Super-Villains II
Base Of Operations: Opal City, Maryland
Grudges: Starman
Creators: Gardner Fox and Jack Burnley
Gallery: Click
Density Control: The Mist is a chemically altered human capable of altering his physical density and that of other objects into a gaseous form.
Hypnosis: The Mist is able to hypnotically control those that came into contact with his vaporous state.
Inviso-Solution: The Mist's signature creation, a chemical which can make organic and inorganic materials invisible. A variation of this chemical allows the Mist to transmit his voice from afar, and to hypnotize others.
Many years ago, the scientist now known only as the Mist created an "Invisio - Solution" that could turn people and objects invisible. He tried to sell it to the US government during World War 1 only to be met with rejection and scornful disbelief. The Mist vowed revenge and after World War Two began in Europe, he sent invisible agents to steal all of America's military secrets.
He also tried to use invisible planes to bomb factories geared for defense. However, the Mist's schemes were thwarted by the man who would become his main adversary, Starman.
Mist I at DC Database
Mist I at Comic Vine