Little is known about Cesar's life prior to 1992, though at an unknown point in time he joined the Varrios Los Aztecas, a Hispanic street gang, eventually working his way up to become the leader. Cesar also began a relationship with Kendl Johnson, to the disapproval of her brother Sean, the leader of the Grove Street Families. Cesar displays excellent driving skills, especially when it comes to lowriders. During Customs Fast Track, Cesar reveals that he is acrophobic.