#HappyBirthday #writer #JerrySiegel #TeenagerFromCleveland who after 1st conceiving a malevolent #LexLuthor-like precursor co-created #comicsNo1Hero #Superman @dc.com + #DoctorOccult90 #SlamBradley #TheSpectre #StarSpangledKid #BouncingBoy #Brainiac5 #ChameleonBoy #PhantomGirl #MatterEaterLad & more