Goklas Teguh Sujiwo (Oyas) is an Indonesian graphic artist from Bandung. He makes editorial cartoons and comic strips for newspapers, tabloids and magazines, including Sequen ('Budi & Aldi'). He also does illustrations for books, especially children's books.
He has created comics like 'Hantu Nasi Goreng' and the critically acclaimed '1001 Jagoan' ('Factory Outlet Boys'), the latter in cooperation with Ipot. His comic 'Amit 2x' was published in the tabloid-sized comic magazine Komikka in 2001.
