Dr. Heckyl and Mr. Hype (1980)

A small town doctor mistakenly ingests an experimental drug made from the blood of vampire bats which transforms the kindly medic into a bloodthirsty monster.

A young woman discovers she is the daughter of the infamous Dr. Jekyll, and begins to believe that she may also have a split personality, one of whom is a ruthless killer.

The son of the notorious Dr. Henry Jekyll is determined to prove that his father's reputation has been unjustly deserved. He sets out to develop his father's formula in order to prove that he was a brilliant scientist rather than a murderous monster.

Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself.

Sylvester alternates chasing the normal Tweety and fleeing a monster version of Tweety.

When Henry Jekyll's experiments with cocaine have gotten out of control, he transforms into the hideous Jack Hyde. As Hyde he searches the London streets at night for his prey in whorehouses and opium dens. The police can't catch him, he has nothing to lose but his mind...

Serum obtained from a brain after a mass murder transforms the good Dr. Jekyll of London into the evil Mr. Blood.

A housemaid falls in love with Dr. Jekyll and his darkly mysterious counterpart, Mr. Hyde.

Eddie Murphy stars as shy Dr. Sherman Klump, a kind, brilliant, 'calorifically challenged' genetic professor. When beautiful Carla Purty joins the university faculty, Sherman grows desperate to whittle his 400-pound frame down to size and win her heart. So, with one swig of his experimental fat-reducing serum, Sherman becomes 'Buddy Love', a fast-talking, pumped-up , plumped down Don Juan.

A doctor's research into the roots of evil turns him into a hideous depraved fiend.

Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself.

Dr. Henry Jekyll believes that there are two distinct sides to men - a good and an evil side. He believes that by separating the two, man can become liberated. He succeeds in his experiments with chemicals to accomplish this and transforms into Hyde to commit horrendous crimes. When he discontinues use of the drug, it is already too late.

Dr. Jekyll believes good and evil exist in everyone and creates a potion that allows his evil side, Mr. Hyde, to come to the fore. He faces horrible consequences when he lets his dark side run amok.

Abbott and Costello, two bumbling American cops on exchange in London, hunt for Mr. Hyde—the monster that has been terrorizing the city.

In this Dan Curtis production of the Robert Louis Stevenson classic, Jack Palance stars as Dr. Henry Jekyll, a scientist experimenting to reveal the hidden, dark side of man, who, in the process of his experiment, releases a murderer from within himself.

After a series of scientific experiments directed towards freeing the inner man and controlling human personalities, the kindly, generous Dr Henry Jekyll succeeds in freeing his own alter ego, Edward Hyde, a sadistic, evil creature whose pleasure is murder.

Dr. Cordelier, living in a suburb of Paris, withdraws from society to pursue research into the functioning of the human brain. His lifelong friend, Maître Joly, becomes concerned when Cordelier draws up a will that bequeaths his entire estate to a stranger, Monsieur Opale; he cannot understand why Cordelier defends him, considering Opale attacks women and children. After a colleague is killed, Joly confronts Cordelier and discovers the truth behind his friend's behavior.

Musical version of the story in which Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself.

Dr. Jekyll inhales white powder and becomes an obnoxious Southern Californian.

To prevent a world war from breaking out, famous characters from Victorian literature band together to do battle against a cunning villain.