Arthur's world was mainly populated by petty crooks, fellow minders, dropouts, 'tea leaves', 'fences' and those happy to quickly turn over dodgy goods, usually (but not always) without violence. Characters that Arthur would interact with regarding his various dodgy dealings included such characters, often memorably named, as fellow car dealer Wally West, Jewish travel agent-cum undertaker Monty Wiseman, 'Dirty 'arry', eternally glum 'Mournful Morris', 'Incapable' (a drunk former surgeon), 'Self Inflicted Sid', 'Freddy, the Fly', 'Scotch Harry', 'Maltese Tony', 'Smudger Harris', a forger of variable talent, unrelated man-with-a-van 'Pongo Harris', 'Dipso Pete' and 'Oily Wragg' (played by Pete Postlethwaite). Later series would sometimes see Arthur mention the never-seen character 'Sunglasses Ron'.