There's vampire bats. And vampire finches. And vampire squid from hell (altho they don't suck blood) and Vampyrellid amoebas that go after pathogenic fungi and vampire snails that go after fish.
And there's vampire moths. Calyptra from SE Asia I already knew about, apparently evolved from fruit-suckers that found eyeballs to be an adequate substitute. Oddly, they're also turning up in Finland - http://www.treehugger.com/files/2007/06/skin_piercing_vampire_moth_va.php
But a recently observed Madagascar species goes one further.
It uses a harpoon.
Fairly scary thing to find stuck under your eyelid in the morning, I'd expect