His first comics credit was in
Detective Comics #445 (March 1975), as writer of the back-up feature "The Touchdown Trap", with back-up stories in
Action Comics,
The Flash and
Batman Family soon following. He was assistant editor to
Julius Schwartz 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". Among his characters he created during this time are
Duela Dent; the
Bumblebee; and the
Calculator. He revived
Batwoman and the original
Bat-Girl. Rozakis and artist
Juan Ortiz crafted an origin for the
Teen Titans in issue #53 of the series. He was the writer for
Secret Society of Super Villains when it was cancelled as part of the
DC Implosion. Issue 15 was the last published, but the unpublished issues 16 and 17 appeared in
Cancelled Comics Cavalcade, and later in a hardcover collected edition published in 2012. He and artist
Dan Spiegle created the character
Mister E in
Secrets of Haunted House #31 (Dec. 1980). Rozakis wrote seven stories for the "Whatever Happened to...?" backup feature in
DC Comics Presents in 1980 and 1981 and the
Superman: The Secret Years miniseries in 1985. He scripted the comics adaptations of such movies as
Rainbow Brite and the Star Stealer (1985),
Superman IV: The Quest for Peace (1987), and ''
Bill & Ted's Excellent Adventure (1989). He was the writer of the syndicated comic strip The Superman Sunday Special'' for two years. His most well-known writing came in the twelve-issue 1986 series ''
'Mazing Man, featuring the misadventures of self-declared homemade hero Sigfried Horatio Hunch III, which Rozakis co-created with artist Stephen DeStefano. The two returned to the character for three specials and for Secret Origins'' #16 (July 1987), to tell "The Closest Thing To A Secret Origin of 'Mazing Man You Will Ever Get". Rozakis co-created the series
Hero Hotline with DeStefano, on which Rozakis provided the coloring. Rozakis' comic book work in 1998–2000 was a variety of custom publications including the "Celebrate the Century" comic books for the
United States Postal Service, as well as publications for
Con Edison, the
San Francisco Giants and the
United Nations Land Mine Awareness program. In 2008, he began writing a series of "alternate reality" articles titled "The Secret History of All-American Comics Inc." for
Alter Ego and
Back Issue! magazines. ==Personal life==