Lawrence Fletcher is Ferb's biological father, the step-father of Phineas and Candace and the husband of Linda; the two fell in love at the farewell concert of Love Handel in the 90's. His interests pique to aspects of history, including ancient events, cultures, and artifacts. ("Dude, We're Getting the Band Back Together", "Crack That Whip", "Out to Launch", "What Do It Do?", "Last Train to Bustville") He also shows interest in trucking, old movies, England history, and rock music.