Trivia
- Anti-Cosmo calls Cosmo an "ignorant boob" many times in "The Gland Plan".
- Although Anti-Cosmo is the opposite of Cosmo he still loves his wife, Anti-Wanda, and son, Foop.
- In other similarities he as with Cosmo is that Anti-Cosmo is also very powerful as him, and their both destructive but by Cosmo it's only Random or by accident, while Anti-Cosmo spreads misery on purpose
- In "The Jimmy Timmy Power Hour 2", Anti-Cosmo's canine teeth are jagged ones. In Balance of Flour his canine teeth look like Foop's teeth.
- Anti-Cosmo is one of the main antagonists in the Gameboy Advance edition of Breakin' Da Rules.
- Apparently, Anti-Cosmo is a sore loser as seen in "Balance Of Flour".
- Anti-Cosmo is almost similar to Wanda, but opposite to Cosmo.
- Anti-Cosmo occasionally calls other characters "Clarisse" (notably The Gland Plan when he doesn't have his monocle on and calls Wanda "Clarisse"). This is a reference to the Hannibal Lecter movies.
- Throughout the series, Anti-Cosmo's canine teeth change into different fangs.
- His Bowler hat changes shape in almost every episode that he is in.
- He is the second person/fairy to have a body similar to Timmy's, the first being Cosmo.
- Anti-Cosmo has a tendency to say "Tally ho!".
- It's unknown if Anti-Cosmo has a last name. If he does it may be the same as Cosmo's "Cosma".
- His laugh is more evil than the Head Pixies laugh is.
- He did not have Foop while Cosmo had Poof.