Ian Somerhalder stars as Damon Salvatore on the CW's The Vampire Diaries.  Damon is the older of the two vampire brothers and is definitely the darker of the two.

He's spent most of his life trying to resurrect a vampire he fell for in 1864, Katherine. But he has developed feelings for Elena, creating a quasi love triangle on the show.

Damon Salvatore Quotes

You want a love that consumes you. You want passion and adventure, and even a little danger... I want you to get everything you're looking for. But for right now, I want you to forget that this happened. Can't have people knowing I'm in town yet. Goodnight, Elena.

Damon

Damon: You know what they say: The way to a psycho killer's heart is through his stomach.

Vampire Diaries Quotes

You want a love that consumes you. You want passion and adventure, and even a little danger... I want you to get everything you're looking for. But for right now, I want you to forget that this happened. Can't have people knowing I'm in town yet. Goodnight, Elena.

Damon

Elena: Damon!
Damon: I'm not gonna hurt him, Elena. I'm the good guy now, remember?
Elena: What does that mean?
Damon: I'm gonna have a civil conversation with your father.