Matthew Clines

 is a HouseGuest on Big Brother 19 (US).

Trivia

 * Matthew is the first HouseGuest to have his name changed during the course of a season. He was originally announced as Matthew, but over time it was officially shortened to Matt.
 * Matthew is one of five people not to use the Power of Veto on themselves while being nominated. The other four are Marcellas Reynolds, Dick Donato, Daniele Donato and Brendon Villegas.