A frequently seen Hollywood character player of comedies as well as crime and barrio dramas, Pepe Serna may be best recalled by moviegoers as Chuco, the practical-joking worker of "Car Wash" (1976), and as the pal of Al Pacino who dies by the chainsaw in Brian De Palma's "Scarface" (1985). A native of Texas, Serna made his acting debut in a Mexican production of "Hair". He migrated to L.A. where small film roles followed. Serna also joined the Center Theatre Group New Theatre for Now Company, at which he was most active from 1972-73, although he returned to the company in 1978 to co-star in