Cartoon Nickelodeon: City of Horrors is an adult horror comic based on numerous horror movies and Cartoon Nickelodeon Network.
Six people arrive in a city where a bunch of scary monsters and demons rule the city, so the heroes have to liberate the city.
- Bugs Bunny - a Paul Sheldon-esque character and the protagonist.
- Alien - a gender-swapped Ellen Ripley-esque character and the deuteragonist.
- Baylee Mardis - a Carrie-esque character and is the triagonist of the comic.
- Scarlett - TBD
- Dexter - TBD
- Eric - TBD
- Petunia Pig - TBD
- Sam Pussycat - TBD
- Otto Scratchansniff - TBD
- Blossom, Bubbles and Buttercup - TBD
- The Loser Club - a group of children that helped Bugs and his friends at times.
- Timmy Turner - TBD
- Lincoln Loud - TBD
- Buster Bunny - TBD
- Babs Bunny - TBD
- Sam Manson - a Sarah Connor-esque character.
- Skulker - a Hannibal Lecter-esque character who serves as an anti-hero.
- Velocity - a Jason Voorhees-esque character and one of the three main antagonists.
- The Doggie Family - an Armitage family-esque family of four dogs that hypnotize people into being hosts of their old friends and relatives. They are also one of the three main antagonists.
- George Doggie - a Dean Armitage-esque character and a neurosurgeon.
- Linda Doggie - TBD
- Jillian Doggie - TBD
- Tyler Doggie - TBD
- Daffy Duck - an It-esque character and the final of the three main antagonists.
- Lola Bunny - an Annie Wilkes-esque character and number one fan of Bugs Bunny.
- Dee Dee - TBD
- Mark Chang - an Xenomorph-esque character.
- Claire the Ghost - TBD
- Granny - an Margaret White-esque character and Baylee's mother.
- Lori Loud - a bully to Baylee in the school. She dies during the Black Prom, but she still antagonizes Baylee in her mind.
- Foghorn Leghorn - a Jack Torrance-esque character.
- Porky Pig - a Norman Bates-esque character.
- Scooby-Doo - a Cujo-esque dog with killer rabies.
- Mojo Jojo - a Ghostface-esque character.
- Cosmo - a Michael Myers-esque character.
- Danny Phantom - a Terminator-esque character. He later redeems and helps the heroes.
- SpongeBob SquarePants - a Freddy Kruger-esque character.
- Invader Zim - a Chucky the Doll-esque character.
- Sylvester Pussycat - a John Krammer/the Jigsaw Killer-esque character.
- Tweety Bird - a Billy the Puppet-esque character who is Sylvester's apprentice.
- Kitty Catswell - an Amanda Young-esque character who is also Sylvester's apprentice.
- Jenny Wakeman/XJ-9 - a Regan McNeil-esque character.
- Rocko - a Candyman-esque character.
- Yakko, Wakko and Dot - a Children of the Corn-esque characters.
- Misery - Bugs Bunny gets saved from death by Nurse Lola Bunny. However, Bugs discovers Lola can get crazy.
- Alien - TBD
- Baylee - TBD
- Similar to Cartoon Nickelodeon: Once Upon A Toon, the first six issues are retellings of horror movies.
- Unlike the horror movies, deceased villains got resurrected.