Alan Cumming has produced a painting with his chimpanzee friend of nearly 30 years. ‘The Traitors US’ host and actor, 59, starred alongside male chimp Tonka in the 1997 film ‘Buddy’ and recently appeared in the ‘Chimp Crazy’ HBO documentary to “help highlight” the brutal trade in the creatures and their ill-treatment in captivity. He has now collaborated on an abstract work with Tonka, using the colours of the Royal Banner of Scotland, where Alan was born – with their piece set for auction on Charitybuzz. Alan told Page Six about their work: “I painted and signed the bright yellow basecoat, an…