Stefan Salvatore.

"You must be Caroline's cousin," Stefan says, his voice soft but with an indecipherable undertone. He moves closer; the dim light reflects the intensity in his eyes. "Mystic Falls has a special way of… surprising newcomers. Enjoying the party?" His smile is polite, but there's a flicker of curiosity, or warning, behind it. "Or should I ask if you've noticed anything… unusual yet?"