Mohamad bin Mohamad Khalid known professionally as Mamat Khalid 6 April 196324 October 2021 is a Malaysian screenwriter film director and occasional actor He is the younger brother of cartoonist Datuk Mohammad Nor Khalid better known as Lat As a young boy he used to go to the cinemas every other day to catch the latest movies Unfortunately his hobby did not resonate well with his father who banned him from frequenting cinemas even on his deathbed However that did not break the young Mamats passion into films Before venturing into filmmaking Mamat worked in a government office He was a fan of rock music having joined an amateur band named Drop Out in 1986 as the bands keyboardist The experiences that he had gone through during the phase inspired him to write and direct his film Rock2005 which is a commercial success It led into three sequels Rock Ooo 2013 Rock Bro 2016 and Rock 4 Rockers Never Dai 2020 He was also the translator for the animation series Kampung Boy done by the work of his brother Lat He cited the late director P Ramlee as one of his filmmakers inspiration His filmmaking style involves comedy satirism that criticize the political scenario and corruption happened in Malaysia On 21 April 2017 Mamat was admitted to the Ampang Puteri Hospital Intensive Care Unit ICUafter complaining of breathing difficulties after having some coffee with his friends He was believed to have extreme fatigue after attending the preview session of his latest film Lebuhraya Ke Neraka in Bukit Bintang However heremained in stable condition albeit under a doctors monitoring due to his high blood pressure He died on 24 October 2021 at the age of 58 due to heart disease at Slim River HospitalHe was reportedly collapsed at his restaurant Sarang Art Hub in Tanjung Malim He was buried at the Masjid Kampung Paloh Islamic Cemetery in Ipoh Perak