Is Dracula Erwins grandpa?

Is Dracula Erwins grandpa? Irwin’s mother is a mummy, which makes Irwin Half-Mummy and Irwin’s father is Half-vampire, (Irwin’s paternal grandfather is Dracula,) which makes Irwin Part-vampire, however, in Underfist he is referred to as half vampire half mummy. Who played Dracula in The Grim Adventures of Billy and Mandy? Read more…