Doctor Percival "Perry" Cox is a doctor at Sacred Heart in Scrubs played by John C. McGinley.  Dr. Cox keeps a rough exterior and is very sarcastic even though he's always making his decisions to best help patients.

J.D. always looks up to Cox as a mentor but he preetends to hate J.D., even though he deep down things he's a good doctor.  He is an avid sports nut and frequently is seen wearing a Detroit Red Wings jersey.

He was the interim Chief of Medicine after Dr. Kelso retired and before Dr. Maddox took over.  He is expected to take back over this season.

Perry Cox Quotes

J.D. [to Cox]: you won't admit this, but you're in love with Carla.
Carla: No, he's not.
Dr. Cox: Actually, I am.
Carla: You're starting again.
J.D.: And Carla, you're mad that Turk didn't trust you enough to tell you.
Turk: See? Trust, woman, trust!
J.D.: Whatever. The point is that Turk is sorry.
Turk: Not anymore!
Carla: I can't believe you thought he was a threat.
Dr. Cox: I'm a threat!
Carla: You're not in love with me, you idealize me.
J.D.: Can we just try and stay focused...
Turk: You're mad 'cause I'm scared of losing you?
Carla: Yes, because we're stronger than that!
Dr. Cox: Apparently not!

J.D.: Damn, his cultures are back, he's not septic.
Dr. Cox: Well, I'd start him on Dopamine.
J.D.: Already done.
Dr. Cox: Well, I'd scan his head.
J.D.: I already ordered it.
Dr. Cox: Well, I'd definitely give Mrs. Cross her teeth back.
J.D.: That I will not do!

Scrubs Quotes

J.D.: My man Turk, is getting it daily and nightly and ever so rightly! Ah! What up, dogg!
J.D.'s narration: Once every 4.2 seconds a man says something stupid that a woman hears and punishes him for... luckily, this wasn't one of those times.
Carla: What did you just say?
J.D.: "What up...dogg?"

Sean: J.D., may I offer a little constructive criticism?
J.D.'s Narration: Kick him in the crotch dammit! The crotch!