Hugo Trenchfoot is The Colonel's Cousin who works with the villains, Cuthbert Cringeworthy, Teacher, Slasher Brown, Slasher Brown's Henchmen, Mr. Abercrombie, The Colonel, The Inspector, Captain Prefab, Clint Katzenberger, Sergeant Slipper, Olive, Vilhemina Slop Bucket, Fatty Fudge, Reg Trademark, Captain Trout and Sergeant Boot. He came to visit his cousin to tell him about the adventures he had. When he tells the Colonel and Dennis about how he was captured by scurvy dogs, it soon turns out he was lying about his adventures, just to impress the Colonel. He is voiced by Simon Callow