Mr. Dust

Mr. Dust is Dennis the Menace's teacher who works with the villains, Olive, Cuthbert, Teacher, Headmaster, Janitor, Winston, Slasher Brown, Slasher Brown's Henchmen, Posh Penny, Godfrey, Mr. School Inspector, Captain Prefab, Katzenberger, Sgt. Slipper, Hugo Trenchfoot, Vilhemina Slop Bucket, Mrs. Greature, Mrs. Creecher, Fatty Fudge, Fatty Fudge's Son, Aunty Fanny, Reg Trademark, Captain Trout, Aunty Gertrude, Sard, Mrs. Duffel and Sir Fitz-Patrick Flush.