Although Batman attempted to save him from having acid thrown in his face, Dent""s left-brain damage transformed him into a violent criminal "who blamed Batman and who has vowed to destroy the Dark Knight.] Holly tries to grab and slug Calloway (whom he mistakenly calls Callaghan), but the agent is protected from harm by Calloway""s aide Sergeant Paine (Bernard Lee).He had used Kryptonite technology on Zod""s crashed ship to unleash Doomsday -- an "ancient Kryptonian deformity" (a monstrous, bloodthirsty, artificially-bred creature) that hatched or was birthed from its matrix right before Superman""s eyes...tires or saccharin" but something else.[Note: The artistic influences of his Western pulp novels, making him ""the lone rider"" of his own stories, convince Holly, mistakenly, that Harry was a victim of Calloway - a ""sheriff"" authority figure.The doctor repeated her reluctance to perform a lobotomy on Catherine: "Whenever you enter the brain with a foreign object, even a needle-thin knife in the hands of the most skilled surgeon, here still is a great deal of risk.