Donegan's paintings depict ancestral stories from the Dreamtime, which have spiritual significance for his family. He mostly focuses on stories relating to his paternal (his father's and grandfather's) heritage. His father was Dulu, a rock hole in the Gibson Desert where there are lots of dingoes. It is associated with the Dingo Dreaming ('). His grandfather's country is Pukara, a sacred men's site south of Irrunytju that is closely associated with the story of the two snake men ('). These are stories are about how the land was created.