He has appeared in over 200 Ghanaian movies such as Obaatanpa, Away Bus,Black Star and Ma Trick Wo.
Adu was originally from the Ashanti Region of Ghana, but lived in a suburb in Accra Newtown called Asantewaa.
He worked as a shoemaker.
Adu was discovered on a Ghanaian comedy show on GTV (Ghana National Television) at the National Theater in Accra, where he worked as a comedian warming up the crowd.
In July 2008, he was awarded a National Award by then-Ghanaian President John Agyekum Kufuor.
Although he originally journeyed to Accra to sing, Agya Koo has been featured in over 90 Ghanaian movies, 15 of which remain his favorite.