Frank Mathers

Frank Mathers its a unseen character in Grand Theft Auto V.

Background
Frank Mathers was born in Liberty City and moved to Vinewood to become a novelist. But instead become a TV producer, producing hit shows named "Angel and the Knight", "My Drunk Uncles" and "Just the Five of us". Despite this, he had a obsession with under sea exploration. In 2009 he abandoned his wife of 20 years and 5 children to marry his assistant, Abigail Winthrop.

Events of GTA V
An internet article from Public Liberty Online after the mission Blitz Play, reported that Frank has drowned in a submarine accident, while he was testing the new submarine in the ocean near Paleto Bay. A malfunction in the system caused the sinking of the submarine and then to break apart, spreading its pieces across the ocean of San Andreas, the article also mentions that his body was never found.

Trivia

 * Frank was also famous for his work ethic, his uncompromisingly low standards of entertainment and his refusal to consider anybody else's feelings.