Boris was a former member of the Blackhawks. During a mission to the island base of Professor Distov, he was left behind and caught in an explosion. The others believed him dead, but he was instead transformed.
Years later, Boris resurfaced in Santa Culpa, where he led a rebellion against the president. He used that rebellion to lure in and capture the Blackhawks. After they confronted him, Boris decided to blow himself up and take the Blackhawks with him, but they survived.
- Energy Absorption: Absorption and expulsion of anti-matter energy
- Enemy of the Blackhawks
- This version of Boris (Earth-One), including all history and corresponding appearances, was initially erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. However the ending of Convergence retroactively prevented that collapse, saving all the alternate realities, though in an "evolved" form. Even though versions of the character may have since appeared, this information does not apply to those versions.
- 1 Appearances of Boris (Earth-One)
- 1 Images featuring Boris (Earth-One)
- Quotations by or about Boris (Earth-One)
- Character Gallery: Boris (Earth-One)