If your asking about the first vampire that was created, then the very fist vampire was Mikael. He was the father of the originals, and the one that turned them.
Yes, vampires do get drunk in the Vampire Diaries. If you see Damon at the bar in the show and his eyes lazy and looking around then yes he's drunk.In both the TV show and book series, but it always...
Yes they do have a pulse because even though they are dead, they still have a heart and it is still pumping so yea they would indeed have a pulse going.