- Chub Butter
Chub Butter is a medium sized cat with a mix of dark and light brown fur and is first animal introduced in the Animal House. She is a mild mannered kitty who doesn't take no for an answer, as explained by Al. She is the oldest animal in the household as well as the only cat. She and Dip are good friends and enjoying playing together. She fell asleep outside in the snow and almost froze to death until Ferris trotted over and began talking to her. It was revealed that she has a hatred of the maid, Elisa Carroll, who takes care of the house, as the woman refused to fill up the food bowls. She warned Trindy about the dangerous nature of Elisa. It was revealed that zombies disgust her in episode 2. In episode 3, she began performing a laser light show in the bathtub. It was a truly remarkable experience.
Chub, along with the other animals, made a cameo in episode 140 of the Duggart playthrough where they were all seen outside of the house.
- Dip Onion
Dip Onion is a large tan dog and is the third animal introduced in the Animal House. He wants to show everyone that he does, in fact, enjoy onions. His hobbies include barking at strangers and playing with Chub, his best friend. He is originally from Texas. In episode 1, he thought Ferris smelled of poop. It was a good smell. He knocked over a garbage can in episode 2, claiming he lived in the danger zone. In episode 3, he had some "bro time" with Spark until he pissed on the ball they were playing with. This caused Spark to leave. Dip fell on his face in episode 3, which caused Al to laugh hysterically.
Dip, along with the other animals, made a cameo in episode 140 of the Duggart playthrough where they were all seen outside of the house.
- Spark Tibbles
Spark Tibbles is a small white dog and is the second animal introduced in the Animal House. He enjoys playing in the snow and likes to blend in with his surroundings and strikes when no one is looking. He is currently dating Trindy and he loves fitting hot dogs in his mouth. He is the oldest dog in the household. In the first episode, to show his dominance over the house, he pissed on the floor while Trindy tried to flirt with him. He also began swimming 35k, trying to qualify for the Olympics. In episode 2, Spark tries to befriend the maid in the hopes of getting more food from her, although she ignored him to sleep. He went and peed in her room. He gained the Adventurous trait in episode 3. In the same episode, he and Trindy went on a date to the local pet playground; venturing through the snow to try and reach their destination. They were rewarded with food upon arriving.
Spark, along with the other animals, made a cameo in episode 140 of the Duggart playthrough where they were all seen outside of the house.
- Ferris Bueller
Ferris Bueller is a sizable black horse and is the fourth animal introduced in the Animal House. She is kept outside in a stable, although this does not seem to bother her. She is constantly trying to get to everyone to calm down, making her a mediator of sorts. It was revealed in episode 1 that she was lonely. She also prevented the death of Chub. When the zombies rose in episode 2, she fell asleep in front of them. The zombies stood and watched her sleep. Her hair was braided in episode 3. She looked like a hippie.
Ferris, along with the other animals, made a cameo in episode 140 of the Duggart playthrough where they were all seen outside of the house. It was also revealed in the episode that Ferris was not a male and ended up giving birth to another horse, Dancer Bueller, who now lives in the Duggart household.
- Trindy Guthers
Trindy Guthers is a tiny and fluffy small white dog and is the last animal introduced in the Animal House. She is a well-off poodle and is the owner of a Fortune 500 company. She likes balls and is currently dating Spark. She is the youngest animal of the household. She attempts to flirt with Spark in episode 1, although their conversation is cut short when he pees on the floor in front of her. She later tries to take a swim with him in the pool, although he soon ditches her. She stays in the pool to gain arms of steel. In episode 3, she and Spark went on a date to the local pet playground; venturing through the snow to try and reach their destination. They were rewarded with food upon arriving.
Trindy, along with the other animals, made a cameo in episode 140 of the Duggart playthrough where they were all seen outside of the house.
- Jarrod Dick
Jarrod Dick is the only human living in the Animal House. He is socially awkward and lives in the basement of the house, refusing to go out in public. He wears an alien mask, has a large beard, and constantly watches HD porn 3 inches away from the monitor. In episode 1, he found out that Robbie Duggart was single. He tried to find aliens in the basement in episode 2. Al hoped that they would come and impregnate him. In episode 3, it was shown that he has a six-pack and several muscle cuts.
He makes a cameo in the Duggart series, as in episode 130, he wanders the Duggart family's garden in a zombified state. He appears again in episode 138, along side Mageru's other coworkers, at the fire department, where he now works. Jarrod has one more cameo in episode 140, where he calls Devil Bobby and informs him that his horse, Ferris, had given birth to another horse and asks the Duggarts to adopt the animal.
- Ferris is the first horse to be in any sims family Al has played as.
- Al gave each animal a speech pattern and voice to reflect them as characters: Chub Butters has a light, fancy voice, Spark speaks like a "gangster", Dip has a southern accent, Ferris has a quiet, kind tone when he speaks, and Trindy speaks like a typical teenage girl.
- If a nuclear bomb were to drop, Jarrod would be safe, as he is four basements below the surface of the earth, as stated by Al.
- Dip really enjoys steak.
- A maid was hired to take care of the animals in the house, as Jarrod is not capable of doing so. The maid is, unfortunately, very stupid.
- Ferris's dick looks like the Loch Ness Monster.
- Spark may be a female.
- The series may be abandoned due the lack of episodes since the first three episodes. this has been rectified, as Al has recently posted a two part 'redux' version of the series.
- It was revealed by an in-game message that Dip died and that Dancer was in mourning because of that. His "death" was modified when Al started the playthrough again.