According to his grandson Kiko Estrada who chose to be tattooed with a memorial butterfly in his honour, Diaz also lived as dweller under a Mexico, Pampanga bridge.

Other non-villain appearances include: Bobocop is a comedy film where he plays the role as a police officer which starring Joey Marquez with Max Alvarado as the main villain; Eagle Squad, where he played a dedicated and good police officer alongside Robin Padilla, Jinggoy Estrada, Edu Manzano, Ricky Davao, and Monsour del Rosario with Jaime Fabregas as the main antagonist; He portrayed his role as an NBI informer in Doring Dorobo, NBI which starring Eddie Garcia with Eddie Gutierrez as the corrupt police chief superintendent; Squala, as the father of the character of his son Joko with John Regala and Dick Israel portraying the villains; Bayadra Brothers (Bayadra is a pun of Viagra), alongside Jimmy Santos and Berting Labra.

He plays the role of Ramon, an office manager in the comedy film Gawa Na Ang Bala Para Sa Akin which starred Vic Sotto and Panchito Alba with Ruel Vernal as the main antagonist.

He also gained popularity in the 1990s where he played title roles in two comedy films: Daddy Goon (touted as his launching film) where he was supported by Herbert Bautista, Manilyn Reynes, Eddie Gutierrez (villain) and child performer Aiza Seguerra; and The Good, the Bad and the Ugly where he shared billing with Gabby Concepcion and comedian Rene Requiestas.

He also tried his hand in producing a film in 2002 via Mga Batang Lansangan... Ngayon which starred his son Joko and matinee idol Bobby Andrews.