• Stocking feet are funnier than either shoes or bare feet. White socks with red toes and heels are the funniest of all.
• Fuzzy clothes never fail to amuse. One of your repeating characters should wear a fuzzy suit or sweater.
• Contrary to popular belief, cigarettes are funnier than both cigars and pipes. Draw them with smoke swirling up from the tip, and guffaws are guaranteed.
• Silly-looking hats are cheap devices employed only by inferior cartoonists and should be avoided if at all possible.