There are quite a few running gags in the show. Below is a list of them and who does it.
Generaly used
- Someone saying, "Curse you (something)!"
- Someone saying, "Yay (something)!"
- Someone saying, "Sure, let's go with that."
- Tibecuador
- The characters constantly getting eaten
Timmy
- Making dangerous extreme wishes.
- Getting angry after Cosmo and Wanda reveal a wish that is against the rules.
- Breaking the rules, almost losing his fairies in the process.
- Saying that the things he wishes for come from the internet.
- "What could possibly go wrong?"
Cosmo
- Agreeing with Timmy on something that Wanda tries to convince them not to do.
- Being called an idiot or moron by everyone.
- Paying more attention to nickels than to anything else.
- Mentioning food.
- Talking to inanimate objects.
- The various disasters he caused while at the Fairy Academy, such as:
- Summoning a red dragon named "Snowball" that burns down everything.
- Sinking Atlantis nine times.
- Being an incredibly bad shot.
- Getting jealous of Wanda's flirting.
Wanda
- Nagging at Timmy and Cosmo.
- Getting hurt by Cosmo's ignorance.
- Nobody pays attention to her, especially when she is right.
Poof
- Saying, "Poof, poof."
- Crying.
Denzel Crocker
- Going crazy when saying, "Fairy godparents!" or "F!"
- Giving Students F, even creating "Super F"
- Being pointed out that his ear is on his neck instead of his head.
Vicky
- Doing anything for money.
- Calling Timmy a "twerp" and tormenting him.
- Thunder and lightning accompanying the saying of her name.
- Her head changing into various objects at the end of the opening sequence after saying her line "yeah right"
- Writing "Vicky was here" on the wall
- Wielding a chainsaw or another dangerous weapon
Jorgen Von Strangle
- Abusing Wanda(formerly), Cosmo(formerly), Binky and others.
- Blaming Wanda for what isn't her fault.
- Punching Cosmo when he does something too stupid.
- Sitting and farting on godparents and godchildren to show discipline and power.
- Hitting Binky simply because he is angry or anxious.
- Showing a close up of his butt.
- Flexing his muscles.
- Laughing at the expense of others.
- Whenever he appears, it is usually similar to a nuclear explosion.
Juandissimo Magnifico
- His shirt ripping and later a new one replaces his ripped shirt.
- Having a rose come out of nowhere and into his mouth.
Chester McBadbat
- Using his teeth and braces to get himself out of scrapes.
- Mentioning how poor he is.
- His regular consumption of possi.
- Owning a fairy and proving to be an amazing fairy godson.
A.J.
- Being messed up on something or getting an F because of Timmy.
- Mentioning his lack of hair.
- Getting an A and gloating about it for a very long amount of time.
Mr. and Mrs. Turner
- Completely ignoring Timmy, and going out somewhere (dancing, dinner, etc.).
- Whenever Mr. Turner Sees Sheldon Dinkleberg, he angrily says "Dinkleberg".
- Overpaying Vicky.
- Mrs. Turner's continuous failure at raising a garden.
- Mr. Turner's love of pencils.
- Nobody knows their first names.
Mama Cosma
- Making attempts to get Cosmo to leave Wanda.
- Treating Cosmo like a mama's boy.
Trixie Tang
- Incorrectly referring to Timmy as "Tommy".
- Yelling "SECURITY!!!" when Timmy tries to get near her while near other kids.
- Feeling peer pressured.
Doug Dimmadome
- Introducing himself or something that starts with "Dimma-" and someone else repeating it as a question, and him repeating whatever he said.
- The top of his hat will always be offscreen no matter how much the camera zooms out.
Anti-Cosmo
- Calling someone 'Clarice'.
- Using a high vocabulary that confuses others.
Foop
- Calling someone 'Clarice'.
- Being subject to mood swings.
- Getting angry after discovering his name, sometimes, is used to indicate Poof instead of him.
Binky Abdul
- Getting beaten up by Jorgen.
- Getting hurt.
- Doing something incredibly foolish that causes anger from other fairies.
Dark Laser
- Despite his intimidating appearance, he is very soft when it comes to Flipsie.