Superman

Superman retired in 1970, replaced by his young "cousin," Power Girl. Internationally-known columnist Lois Lane got her final scoop before retiring by publishing Superman's identity as Clark Kent, her husband of some years. They then abandoned the Clark and Lois Kent identities completely and entered retired life under new identities long-since established through a few close friends who know who they now are. Superman has appeared a few times, along with occasional excursions with the Justice League