There was this nightclub band back in the 60s called The Cordials.  One of the songs in their set was a cover of the Diamonds' song, Little Darlin.  When they came to the talking part of the song, the lead singer would go into a Boris Karloff voice and do his own Dracula lyric.  This went over so well they decided to make it a song on its own and even recorded it.  On the record, the Cordials became The Crypkickers.  That lead singer called himself Bobby "Boris" Pickett and the song...

...The Monster Mash 

Here is Bobby Pickett years later re-doing his "Boris" character: