Emotional Vampire

Count Dracula. First word that I associate with it is vampire. A vampire is a mythical creature (or otherwise, depending on who talk to) who kills people by sucking all their blood. I know of a vampire who is not fabled but a real person. But this one is an emotional vampire. An emotional vampire is a person who drains out all your emotions or energy. They "feed on you" emotionally in a desperate attempt to build up their own reserves of emotional strength. It could be a relative, friend or colleague. These people are hard to put up with because they are so negative (pessimistic) on all things, are major drama queens and/or are just too clingy. It is hard to be with them because it requires too much effort emotionally. So, when I say emotional vampire — who is the first person that pops in your mind? =oP