a guy turns into a monster meanwhile a vampire turns into a human

A prequel to the first two Underworld films, this fantasy explains the origins of the feud between the Vampires and the Lycans. Aided by his secret love, Sonja, courageous Lucian leads the Lycans in battle against brutal Vampire king Viktor. Determined to break the king's enslavement of his people, Lucian faces off against the Death Dealer army in a bid for Lycan independence.

Famed monster slayer Gabriel Van Helsing is dispatched to Transylvania to assist the last of the Valerious bloodline in defeating Count Dracula. Anna Valerious reveals that Dracula has formed an unholy alliance with Dr. Frankenstein's monster and is hell-bent on exacting a centuries-old curse on her family.

It tells of the events before the film, in which monster hunter Gabriel Van Helsing travels to London to investigate a series of horrific, and decidedly supernatural murders, being committed by the mad scientist Dr. Jekyll, in the form of his evil alter-ego, Mr. Hyde.

When a mysterious, human-turning virus infects the world of the living dead, an outcast zombie must decide between succumbing to his world’s new threat or becoming it’s hero by embracing his inner flesh-eater.

A thief (who is also a wolf man) breaks into Dracula's castle. He encounters a skeleton, and removes a stake from the bones. The removal of the stake revives Dracula, who bites Talbot the thief. Dracula then uses an electronic device to summon the Frankenstein Monster. The Monster leaves the castle. Talbot asks Dracula to cure him of his lycanthropy, but then transforms into the Wolfman. When the Monster returns, he and the Wolfman fight. The Wolfman transforms back into his human form, and then shoots the Monster and rams a stake back into Dracula's heart.

A vampire is going to snack on a guy but falls in love with him instead.

A woman’s boyfriend is missing but he returns as a vampire and then things get weird.

In this pixel-animated short, an isolated man struggles to face his inner demons as they begin to manifest externally.

An egocentric businessman awakens deep in the woods to find he has been abducted by a subversive group of bloodthirsty vampires disguised and living among us. He must not only escape their clutches, but save his beloved girlfriend before time, the truth, and his kidnappers catch up with him.

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.