[1] He is considered as an iconic figure of Sri Lankan media most notable for the popular television programs Atapattama and Doramadalawa.
After passing G.C.E A/L, he entered University of Colombo and obtained a Special degree on Mass Communication.
President Mahinda Rajapaksa and Professor Sumanapala Galmangoda signed the marriage witnesses.
Then he produced other programs such as "Siyathrawaya", "Vee Man Saa", "Vishva Yaathra" and "Kedella".
[11] In the meantime, he got a scholarship and entered the Wako University in Japan to study for a master's degree in 1999.
He worked closely with the NHK, Japanese National TV channel.
Hettiarachchi laughed at Hewabatage at that time and said, "Hadisiye Atapattamak thama hadala denna wenne" (meaning "It is not possible, all this hurry it may be an Octagon to make").
[12] Hettiarachchi continued to produce and perform the program with the titular role "Dadibidis".
[5][12] Apart from media, Hettiarachchi has published about 12 books including, Urumayada Karumayada, Sutikka Miya Giyeya, Takaran Puththu and Prakaraya.
Among other author works are translations of Japanese children's stories and Chinese illustrations.
During an assessment done by Survey Research Lanka (SRL), it was revealed that more than 7 lakhs TV viewers gathered only two these two programs.