Catalina is a character in the Grand Theft Auto series who appears as the main antagonist in Grand Theft Auto III (set in 2001) and a main character in Grand Theft Auto: San Andreas (set in 1992). She is a criminal in Red County in GTA San Andreas and the leader of the Colombian Cartel in GTA III. She is also the cousin of Varrios Los Aztecas leader Cesar Vialpando.