It revisited periods (grouped by decades) of the company's main characters: Batman, Superman, Wonder Woman, Green Lantern, the Justice League, and the Flash.

Dennis O'Neil wrote Batman during the 1970s, as well as working with artist Mike Grell[1] on the mid-1970s version of Green Lantern.

The Retroactive line also brought back writers and artists had not worked for DC for many years; some of whom had retired from comics, such as Rich Buckler, who drew one Wonder Woman story.

Mike W. Barr, Cary Bates, Norm Breyfogle, Gerry Conway, Tom Mandrake, and Len Wein worked on the characters which they were associated with in the past.

[3] Ben Abernathy, one of the editors of the project, stated: "It's the creators working on the characters that so many fans grew up reading.