1) Alphabetical disorder: One starts with “u”and the rest with “va”.
2) Dress Colour Code: for Vampire, its preferably Black while for the umpire its white and black.
3) Age and appearance preference: Vampire ought to be young and charming, whereas umpires should be old [except Dharmasena, he is young still not competent enough to be a vampire………..is he????]
4) Vampires can fly.[fictional] Umpires cannot, they can only raise the index finger up to show Vampires are flying.