I was going to spend some time mocking this particular fucktard but I noticed it was Chick publications and realised that it was like shooting fish in a barrel. Read the first two paragraphs here. I have taken the liberty of getting a few definitions from dictionary.com.
A reanimated corpse that is believed to rise from the grave at night to suck the blood of sleeping people.
Psychology. A person of mild mental retardation having a mental age of from 7 to 12 years and generally having communication and social skills enabling some degree of academic or vocational education. The term belongs to a classification system no longer in use and is now considered offensive.