Lyle Rivas is a minor character who appears in GTA IV.
Lyle Rivas was the cousin of Tom Rivas, both born in Puerto Rico. He was once a member of the Spanish Lords, but left the gang during the GTA IV storyline. He is a mechanic and a fence for stolen cars, and also has ties to illegal street racing. He is also a friend of Brucie Kibbutz, and share a common interest: steroid using.
Lyle owed Brucie some money. Unluckily for him, his friend Brucie was once on a roid rage and ordered his friend Niko Bellic to kill Lyle for not bringing him his money. After Niko kills both Rivas brothers, he discovers the truth behind Brucie's reasons for ordering their deaths and ends his professional relationship with the steroid junkie.
Lyle Rivas' Cars
Vapid Fortune (Car in Witness Protection Programme)