#OnThisDay in 1957 #Signalman debuted in @dc.com #BatmanComics #112 #smallTimeCrook #PhilCobb #triesToOrganizeHisOwnGang w noRepOfHisOwn #nearlyLaughedOuttaGotham sees #importanceOfSymbolsInModernSociety #decidesToFashionHisCrimesAroundGliphsAndSigns returns 1958 as #BlueBowman & Siggy again in 1976