From Grand Theft Wiki

Gavin "Ambrosia" Finkle is a transvestite from Los Santos. He is the partner of fraudster Heathcliff Waterstreet and lives with him in his loft in Algonquin. He is often seen impersonating a woman and attempting to turn tricks on Chase Point, Bohan. Like his partner, he is believed to be addicted to Methamphetamine, having developed an addiction in the mid 90's and he was banned from Hercules for turning tricks in the restroom of the club. According to the LCPD database he has been arrested six times; Twice for prostitution in 1987 and 1997, once in 1989 for assault and twice for possession of Methamphetamine in 1993 and 2005.