Raccoon

A Raccoon is a small, gray, furry mammal with distinguishing features, being their black facial mask and ringed tail. They can often be seen around Camp Wawanakwa.

Total Drama Island
The first raccoon appeared in the opening sequence for Total Drama Island where it's is pushed out of a tree by a hidden camera.

The first appearance in an episode is in Wawanakwa Gone Wild!. Duncan was tasked to capture a raccoon for the challenge. However, when he encountered one and threatened it with a chainsaw, several other raccoons appeared and combined into a fearsome beast like a robot in a reference to Transformers. It was complete with a very beast-like roar, raccoon launchers and glowing red eyes and proceeded to chase Duncan around the island.

In Camp Castaways, a few raccoons were seen on a chair floating down the river after the camp is flooded. In Are We There Yeti?, Owen encounters a raccoon when he puts on the night vision goggles, which caught a fish. It waves to him, and does not notice the Sasquatchanakwa running behind it.

Total Drama Action
In Total Drama Action, a raccoon appears in the opening sequence, where it falls out of a hole in a tree when a camera pops out of it.

In Monster Cash, Chef runs of out the tent chasing a raccoon with a knife when Chris introduces the Craft Services Tent to the new castmates.

The raccoon appears again in Top Dog as Beth's animal buddy. For the first challenge, the raccoon must imitate Beth which it does perfectly by assisting Beth when she lost her retainer. She named the raccoon "Mr. Whiskers." During the episode it's revealed that Mr. Whiskers' burrow is home to several other raccoons. Oddly, they lead a civilized life. Their burrow contains a kitchen area, a ping-pong table, and a wide-screen television. They seem to consider themselves superior to humans because of this.

In Celebrity Manhunt's Total Drama Action Reunion Special, Duncan and Courtney are shown to have a pet raccoon named Brittany (who Courtney tries to get sole custody of by suing Duncan after she and Duncan break up). Also, Izzy used a raccoon as a sort of grappling hook to try to break into the studio where the Gemmie Awards were being held.

Total Drama World Tour
In the opening sequence, a raccoon is seen, flying out of the plane.

A raccoon is briefly seen in Walk Like An Egyptian - Part 1, after a part of the Total Drama Jumbo Jet falls off and a raccoon runs out of it, showing how rundown the jumbo jet is.

In Awwwwww, Drumheller, a briefly seen tied up raccoon is seen running past the economy class kitchen while Alejandro and Sierra are talking.

Trivia

 * Apparently, raccoons are used in Chef's Blue Plate Special at Chef's Roadkill Cafe.
 * Beth's raccoon buddy in Top Dog has a different facial design than the other raccoons previously shown in the series. It has a unique facial marking that resembles Beth's glasses. This jokingly shows how much they are alike.
 * The people who got this animal in challenges were the final two of Total Drama Action (Duncan had to catch the raccoon in Total Drama Island, Beth had to train it in Total Drama Action).
 * Duncan and Courtney are the first characters to have a raccoon as a pet.
 * Coincidentally, they were both shown to dislike raccoons at some point in the series, Duncan in Wawanakwa Gone Wild! and Courtney in Top Dog.
 * The raccoons are possibly one of the smartest animals on the show, showing they can easily communicate with people, and live like humans, shown in Top Dog, when Beth visits their home.
 * It is one of several animals to appear in the first three seasons.