#OnThisDay#DoctorDoubleX#DetectiveComics#DrSimonEcks#passiveMindedScientist#etherealHumanAura#moreAggressiveDoppelgänger#TheDr#Batman85#energyBlastsAndSuperStrength#RonPerlman#BatmanBraveAndTheBold#animatedSeries

#OnThisDay in 1958 #DoctorDoubleX debuted in #DetectiveComics #261 #DrSimonEcks #passiveMindedScientist harnessed his #etherealHumanAura as #moreAggressiveDoppelgänger who strong arms #TheDoctorAndTheDynamicDuo with #energyBlastsAndSuperStrength @perlmutations voiced in #BraveAndBold #animatedSeries