OnThisDay in 1969 #Abel modeled on #writer #MarkHanerfeld debuted in #DCSpecial #comics #4 after #hisBrother #Cain was introduced as #theHost of #HouseOfMystery and he next appears #theFollowingMonth taking over as #host of #sisterTitle #HouseOfSecrets alsoRevived as #HorrorComic after a #3YearPause