Duncan is an illustrator and arts educator. Between 2003 and 2014 he drew for the award winning Factotum arts organisation and their newspaper, The Vacuum, as well as for the Venice Biennale publication for the Northern Irish Pavillion. He has exhibited widely including a major solo exhibition. Ongoing work includes a monthly live participatory drawing event called Skull, and a nascent gallery collaboration with photographer Frédéric Huska. In 2016, in partnership with the writer Om Lekha, he published a fictive comic book biography of the biologist Richard Dawkins. He is currently studying towards a PhD at Ulster College of Art and Design.