The Gurning Chimps
The Gurning Chimps were a musical group featured in Grand Theft Auto: San Andreas. Maccer is the only known member of the group, and it is not known whether he is the only one in the group or if there are others that weren't mentioned or seen onscreen.
By 1992, Kent Paul is managing the group, which suggests that the hair metal band he had managed in the 1980s, Love Fist, had broken up by then. In the San Andreas Introduction film, Maccer and Kent are shown in a recording studio in England, Kent having just bought Maccer's contract. The two then decide to try their luck in America, where they settle in San Andreas.
Later in the year, the band, Kent Paul, and The Truth allegedly took peyote in the middle of the Las Venturas desert. Maccer and Kent woke up the next day to find that the rest of the band had disappeared. Five months later, the rest of the band members are found and afterwards Maccer denies that they were ever missing, and that they were simply on break.
The Gurning Chimps are suggested to remain active by Grand Theft Auto: Liberty City Stories, which takes place in 1998 — Head Radio DJ Michael Hunt indicates Maccer vomited on his shoes when he was backstage at one of the band's concerts.