Jimmy Boston is an actor that Luis Lopez, Armando and Henrique talk about while on a friend activity. Armando and Henrique are great fans, and are jealous when they learn that Luis introduced his sister to him at Maisonette 9, only for her to corner him and "tell him how miserable her life is".
By Grand Theft Auto V he has joined the Epsilon Program cult, having gained "thesis" grade membership in record time. Michael De Santa is introduced to him in the Strangers and Freaks mission "Chasing The Truth". In "Delivering The Truth", he admits that he and Cris Formage watch porn together naked, "Just to prove we don't get turned on by it". He drives an F620 painted in Epsilon blue.