Trick or Treat

Who's that, who's that Knocking at your door? Open up and see, it must be Halloween! Who's that, who's that Knocking at your door? I'm a thirsty Vampire MWAHAHAHA! Trick or treat? Who's that, who's that Knocking at your door? Open up and see, it must be Halloween! Who's that, who's that Knocking at your door? I'm a scary Ghost WOOOOOOO! Trick or treat? Who's that, who's that Knocking at your door? Open up and see, it must be Halloween! Who's that, who's that Knocking at your door? I'm a wicked Witch HAHAHAHAHAA! Trick or treat? Who's that, who's that Knocking at your door? Open up and see, it must be Halloween! Who's that, who's that Knocking at your door? I'm a zombie Pirate AAAR! Trick or treat? Who's that, who's that Knocking at your door? Open up and see, it must be Halloween! Who's that, who's that Knocking at your door? I'm a Skeleton BOOO! Trick or treat? Who's that, who's that Knocking at your door? Open up and see, it must be Halloween! Who's that, who's that Knocking at your door? I'm an Alien Greetings! Trick or treat? Who's that, who's that Knocking at your door? Open up and see, it must be Halloween! Who's that, who's that Knocking at your door? I'm Frankenstein Trick or treat? Who's that, who's that Knocking at your door? Open up and see, it must be Halloween! Who's that, who's that Knocking at your door? I'm a thirsty Vampire I'm a scary Ghost I'm a wicked Witch, people fear me the most I'm a Zombie Pirate and this is my mummy AAAAH! I'm a Skeleton and this is my mummy Hello I'm an Alien and my spaceship's painted red I'm not sure what I am, but I have a pumpkin on my head I'm Frankenstein And I'm a Fairy! We've all come to say... Trick or treat? I'm very, very sorry, but I've run out of sweets That's ok Happy Halloween!