#OnThisDay in 1966 #TheShaggyMan debuted in #JusticeLeagueOfAmerica #comics #45 #inventor #AndrewZagarian sought a #PlasticAlloy to aid with #humanOrganTransplants constructs #AHumanoidForm of his #plastalloy but errors with #atomicPower transforms it to a #RagingHairyBeastThatCanRegenerateItsLimbs