Firestorm (character) - Wikipedia
Ronnie Raymond and Martin Stein fused together debuted as the first incarnation in Firestorm, the Nuclear Man #1 (March 1978) and were created by Gerry Conway and Al Milgrom. Jason Rusch debuted as a modern update of the character in Firestorm (vol. 3) #1 (July 2004), and was created by Dan Jolley and ChrisCross .