Martin Prince, Sr.

Martin Prince, Sr. is Martin's father.

History
Martin Prince, Sr. is the father of Martin Prince, and husband of Martha Prince. He is a stock broker in Springfield and was shown bringing his son to work on "Bring Your Child to Work Day", where Martin made over $1 million trading soy futures (and subsequently lost all but $600). He appears to be a nerd much like his son, seeing as he has somewhat of a lisp. Martin, Sr. was also one of the father's that went in Ned Flanders' RV, to find their sons in Shelbyville.

Behind the Laughter

 * In several episodes Martin, Sr.'s hair color is different, including black, blonde, brown and orange.