On neet the browns the tv show why does cora call mr brown, mr brown. Cause its her dad on the show

Cora had lived for 52 years knowing the man next door simply as "Mr Brown" before she suddenly learns that Mr Brown is her father.

Tags: mr browncorabrownstv 
Wednesday, February 01 2012
Source: http://www.imdb.com/title/tt1047494/faq