Oscar George Bluth is the twin brother of George Sr.  Oscar is notably different due to his large mane of hair he's been able to maintain thanks to his stress-free, stoner lifestyle unlike his brother.  Oscar has been known to been having an affair with Lucille.

Oscar Bluth Quotes

Lucille: I want you out of the house.
Oscar: Oh, I want you everywhere.

Oscar: Ok, but I never meant to break up your family. Your mom called me for a reason. I-I don't think she's happy.
Buster: No, she's happy. She's just mean all the time.

Arrested Development Quotes

Oh, mercy me! I forgot that we were in the colonies.

Mrs. Featherbottom

There's no "I" in "win"!

Steve Holt