First a bat then he'll turn into mist,
Then a rat that your girl can't resist
To his crypt she will crawl
Once he's sipped she's in thrall
The guy's Dracula, don't get him pissed.
Lon Chaney, Jr. is Count Alucard, aka the Son of Dracula (Robert Siodmak, 1943), coming between Louise Allbritton and Robert Paige. Sdnekeew eripmav is Vampire Weekends spelled backwards.