I am a
You have a sunny disposition and are normally one of the first to show up for the party. You don't need too much attention from the host once you get there as you are more than capable of making yourself seen and heard.
Believe me, no one has ever called me sunny. And I am the one who begs off from parties and if I do go I'm the one in the corner trying not be seen or heard. Maybe I misunderstood the questions.