It Was Me, Dio! - Image #755,721

"Alright gang, let's see who the vampire haunting the Joestar Estate really is!"
[Unmasks Dio]
"DIO BRANDO!?"
"That's right, it was me, Dio! And I would have gotten away with it, too, if it weren't for you meddling kids and your pesky dog!"
"Haha! That's right. Good work, Scoobs….Scooby?"
"Scooby-Doo, where are you!?"

KISS was Dio all along.