Batman [Bruce Wayne]; Robin [Dick Grayson]; Professor Carter Nichols; Baron Frankenstein; Ivan (villain, Frankenstein's assistant, death); Count Mettern (villain, Frankenstein's cousin, death)
Synopsis
Professor Nichols discovers a document that states that the story of scientist Frankenstein is true, so he decides to personally go back in time to find out the truth behind the Frankenstein monster. But he soon discovers that he needs the aid of the Caped Crusaders, so he draws them into the past.