#OnThisDay in 1972 #DoctorMoon debuted in @DC.com #Batman #comics #240 #mercenarySurgeon employed by #RasAlGhul who #believedHeCouldAttainImmortality #byConnectingAHumanBrainToAComputer later #DrCyber sought Moon’s deft skills to #swapBrains with #WonderWoman & he’s eventually on #SuicideSquad staff