The original group started in Mexico City during the late 1950s with three brothers, Arturo, Javier, and Jorge Castro.

Benito sang harmony and played guitar, but he also gave the group a new "zing" with his on-stage antics and comedy.

His comedy skits portraying a sun-tanned, raggedy cut-off jean, flip-flop-wearing beach bum in Acapulco were a take-off of Bob Denver's role on "Gilligan's Island."

His ability to imitate and mimic others like Bob Denver, politicians, and singers opened the door for Benito to participate in another Mexican television show called "La Ensalada de Locos" (Crazy People Salad).

Benito had a working relationship with the radio and television personality Paco Stanley and "how terrible it was for him to learn of the death of his friend.