Dissociative identity disorder may be caused by severe stress.
The fictional character Tana Moon , a Metropolis reporter , was Superboy 's first love , introduced as part of the Reign of the Supermen storyline .. fictional character. fictional character. Metropolis. Metropolis ( comics ). Superboy. Superboy ( Kon-El ). Reign of the Supermen. The Death of Superman#Reign of the Supermen.21