 His credits during his 25-year career with DC total "almost four hundred stories" featuring most DC characters, "plus dozens of features, puzzles, and activities pages".In 1976, Rozakis and Paul Levitz co-wrote a revival of the "Teen Titans".Among his characters he created during this time are Duela Dent; the Bumblebee; and the Calculator, a character who later played a major role in DC's "Identity Crisis" limited series.