that Vago you chase/kill in Running Dog.
"You chased and killed me in a mission early in Los Santos." Running Dog is one of the first/early missions in GTA SA/LS
"You didn't like me as soon as you saw me." since he's a vago, CJ hated him from the first sight.
"My name was never mentioned." BOTH vagos' name(s) never mentioned.
(now don't kill me and say its wrong!)