Jon Cryer stars as Alan Harper on Two and a Half Men.  Alan is charlie's less successful younger brother.  Alan moves in with Charlie after his divorce from his first ex-wife, Judith.

Alan has weekend custody of his son, Jake, who lives with him at Charlie's.  Alan is a chiropractor, yet due to his alimony payments, is struggling and has to depend on his brother.

Alan gets married and divorced a second time to the very young and attractive, Kandi.  He's lovable and annoying at the same time.

Alan Harper Quotes

Charlie: For every gorgeous woman out there's a guy tired of banging her.
Alan: But that guy is never me.

Alan: What exactly did Zoey say?
Walden: It is exactly what she did not say; she did not say I love you.
Alan: Oh please, if I insisted on women saying I love you, I would not have had a girlfriend, a wife or even a mother.

Two and a Half Men Quotes

Charlie: I understand you teachers are sadly underpaid.
Miss Tuttle: That's very true.
Charlie: Well, I'd like to do my part. Can I buy you dinner?

Yeah, hi. I'm watching your commercial cash for gold and you just showed a woman selling her wedding ring for $500. No, I don't want to sell gold, I want to meet her. She's hot and we know her marriage isn't working out.