Courage the Cowardly Dog has a lot of running gags.
- Among other things, Muriel using vinegar in almost everything she makes.
- And almost everyone not liking vinegar. This includes liking what she makes and immediately hating it once they find out that there's vinegar in it.
- Eustace pulling out his mask to frighten Courage.
- Muriel playing the sitar.
- Eustace complaining about his possessions such as his chair, hat, or truck.
- Muriel asking for or giving tea.
- Di Lung's car suffering severe damage in its every appearance.
- Di Lung yelling "WATCH WHERE YOU'RE GOING, YA FOOL" at people, usually for hypocritical reasons.
- Eustace complaining about Courage sitting at the table.
- "There's something wrong here! Or my name's (something completely random/foreign)...and it's not."
- Whenever Courage runs into a locked door, he usually pulls bone-saws, arc welders, heavy artillery or whatever in the hopes of opening it. Naturally, it never works.
- Poultry seems to be a recurring theme for villains, with many being chickens, ducks, and geese.
