The city's name "Dimmesdale" is named after Arthur Dimmesdale from "The Scarlet Letter".

The only reason that Timmy has a pink hat was because the creator's blue marker ran out of ink.

In the Danny Phantom episode "Fanning the flames"(It is the one with Ember McLane in it) at Ember's midnight concert she yells ,"tell me who you love." Everybody in the crowd yells, "Ember McLane. Ember McLane." If look carefully you will see a very fat crimson chin in the crowd at that time.

The people who play Cosmo and Wanda are the same people who play Timmy's real parents.

In the original shorts Timmy's parents were only shown from the neck down. When the shorts were turned into this full-length series, however, we see his parents in full-body form. They are still referred to as "Mr. and Mrs. Turner" and the only facts we are given are that they met at age 10 and that Mr. Turner is 42 years old.

Not only does Daran Norris play Cosmo and Timmy's dad, but he also plays Jorgen Von Strangle and Gordy on Ned's Declassified School Survival Guide.

In the episode "Lights, Camera, Adam!" when Timmy is walking down the sidewalk with the list of stars, the names are the creators of "The Fairly Oddparents".

The Crimson Chin is played by Jay Leno. That's why they say that he was a "struggling talk show host" when he got bitten by a radioactive celebrity.

In the episode "Power Mad", when Timmy, Chester, and AJ enter the video game, their outfits are almost identical to the virtual outfits in the movie "Tron".

When Timmy goes to the 80s, just before he arrives in front of Dimmsdale University, the 'Back to the Future' car enters the time stream, only to be replaced by Timmy, Cosmo, and Wanda.

The band Devo, in their outfits from the 'Whip It' music video, enter Dimmsdale U. An instrumental version of 'Whip It' is played just before Timmy goes to the 80s.

When Crash is reading a comic book on top of a silo, look at the back of the book; there is an ad for "Danny Phantom," another Butch Hartmen T.V show.