While working at a bar in Beverly Hills he received advice from veteran movie star Sylvester Stallone, "Create your own opportunities". That stuck with him. While working as an assistant on the Twentieth Century Fox lot, Arevalo met director Robert Rodriguez whom he struck up a friendship with, who then offered him the unforgettable role of the Opponent, the guy with the broken leg in the 1995 blockbuster film Desperado starring Antonio Banderas and Salma Hayek. Thanks to his friend (Salma Hayek), Arevalo was chosen to play a role as (Miguel Fuentes) one of her brothers in the film Fools Rush In, starring Matthew Perry and Salma Hayek, directed by Andy Tennant. Chad Stahelski, director of the John Wick series was one of Arevalo's martial arts instructors of Bruce Lee's Jeet Kune Do martial art under Guro Dan Inosanto. Robert became proficient in kali He also taught jiujitsu and trained Judo at 87 Eleven Action Design, Chad's stunt team. Arevalo is a 2nd Degree Black Belt in Machado Brazilian Jiujitsu under Rigan Machado. He is an enrolled member of the Chiricahua Apache Nation.