Career
He joined the Munhwa Broadcasting Corporation"s voice acting division in 1999. Broadcast television
Ojamajo Doremi (of Korea television EDition, MBC)
Bikkuriman (Bumerang Fighter, of Korea television Edition, MBC)
Submarine 707 (of Korea television Edition, MBC)
Johnny Bravo (Johnny Bravo)
The Penguins of Madagascar (Kowalski)
Broadcast radio
History 50 (MBC)
Rabihem Polis (MBC)
Redmoon (MBC)
Masca (MBC)
Hotel Africa (MBC)
Movie dubbing
Hammerboy (Character Plan)
Crayon Shin Chan (of Korea television Edition, MBC)
Antz (of Korea television Edition, MBC)
MBC Voice Acting Division Ko Seong Il Blog (in Korean)
Ad Sound Ko Seong Il Blog (in Korean).