[1] Brimstone is a fiery giant created by Darkseid as a part of his plot to turn the population of Earth against superheroes.
[6] Nicholas Lucien first appeared in The Brave and the Bold #200 (July 1983) and was created by Mike W. Barr and Dave Gibbons.
Lucien later possesses his Earth-One counterpart, but is forced to return to his own body and is paralyzed in the process.
In the process, he is connected to the Firestorm matrix and gains the ability to transform into Brimstone.
[8] The artificial construct incarnation of Brimstone makes a non-speaking cameo appearance in Superman/Batman: Public Enemies.