L.S. Martinez (Leandro San Juan Martinez), a freelance cartoonist, is the creator of many notable characters in the 60s and 70s--- Tsikiting Gubat, Nognog, Atorni Agaton, Atoman, Tik & Tak, Kuwentong Kuneho, Haragan con Maldita, T. V. Lampoon, Doon Po Sa Amin and Mac en Kulit. Nognog, Atorni Agaton and Mac en Kulit were later adapted into film.
Nognog, appeared in the pages of UNITED Komiks in the 70s and was made into the movies in 1980 with boy wonder, Nino Muhlach in the lead role.
Nognog (1980)- Stars Nino Muhlach, Panchito, Chichay, Dely Atay-Atayan, Cachupoy, Bonnie 'Mong' De Jesus, Manny Luna & Maricris Bermont/ Directed by Nilo Saez