Doctor Jonathan Micheael "J.D." Dorian is the main character and narrator of Scrubs and is played by Zach Braff.  J.D. is best friends with Turk, who he's been friends with since they were roommates in college.  J.D. quickly meets Elliot, who he falls for hard and has an on and off again relationship with throughout the series. 

J.D.'s mentor is Dr. Cox who he is constantly trying to impress without making much headway.  He also has a bitter rival at Sacred Heart who torments him endlessly... The Janitor.  J.D. frequently daydreams where he tilts his head to the side and drifts away.

J.D. Quotes

Turk: Dude, you are such a loser, man.
J.D.: I think I look spiffy. I'm trying to separate myself from the whole pack.
Carla: Oh, you already have, Bambi - you're the biggest geek to ever come through here.
Turk: Yeah, he is.
Carla: Don't laugh, you're the jocky frat-boy with a back problem.
Turk: Yeah, I am.

Turk: What the hell am I doing playing golf!? This is all Tiger Woods' fault.
J.D.: This guy's gonna sue the hospital, we're gonna get fired, we'll have to become male whores... Very successful male whores - we'll probably have a nicer apartment and some bling-bling, but male whores nonetheless!

Scrubs Quotes

Was she always wearing that big hat?

Dr. Cox

Giddyup, Dr. Dorkian!

Danni