Caratacus (Brythonic *Caratācos, Middle Welsh Caratawc; Welsh Caradog; Breton Karadeg; Greek Καράτακος; variants Latin Caractacus, Greek Καρτάκης) was a 1st-century AD British chieftain of the Catuvellauni tribe, who resisted the Roman conquest of Britain. The legendary Welsh character Caradog ap Bran and the legendary British king Arvirargus may be based upon Caratacus. Caratacus's speech to Claudius has been a common subject in art.