The following is a list of allusions to works of fiction, people, places, events, and other cultural touchstones in Villainous.
The allusions, references, similarities, homages, and other items on this list should be specific, detailed, unique, or identifying. Avoid adding incidental, broad, general, or tangential similarities.
- The ice cream screams at 5.0.5. in a way similar to a scene from the movie Alien 3.
- Black Hat screams at the ice cream in a way similar to the creature from the movie Predator.
- The size altering ray gun bears a resemblance to the portal gun from Rick and Morty, bearing the same two colors in it's glass tube.
- When 5.0.5. grows to a giant size he is presented in a way similar to Godzilla.
- Two posters appear in the background, one referencing the the "hang in there" cat poster, and another referencing the "obey" poster, both infamous posters.
- A red skull next to an ink well and quill can be seen on Black Hat's desk, possibly a reference to the character Red from Specter of Torment.
- A painting in the background references The Godfather and Al Capone.
- Demencia makes a reference to the novel It by Stephen King.
- A severed butt is placed on the wall like the head of an animal, likely a reference to the episode "Wet Painters" of the show SpongeBob SquarePants where the character Mr. Krabs threatened to do the same to the titular character and Patrick Star.
- A blue bird very similar in appearance to Mordecai from Regular Show gets killed by Black Hat.
- One of the kids throwing snowballs is similar in appearance to Brief from Panty and Stocking.
- One of the manor's defenses is a bird in a slingshot, an obvious reference to Angry Birds.
- The portrait of Black Hat contains the first sword of Finn from Adventure Time, Octi from the Powerpuff Girls, one of Steven Universe's shirts from the show of the same name, and the tree house from Kids Next Door.
- A portion of a portrait of Napoleon Bonaparte can be seen on the right side of the screen.
- A sculpture of Dr. Flug resembles Cuauhtémoc Blanco.
- A statue of Black Hat resembles resembles the Frogner Park Baby fighter statue .
- A statue of Black Hat resembles the famous statue of Abraham Lincoln.
- A statue of Demencia resembles The Thinker statue.
- A statue of 5.0.5. resembles 5.0.5. eating Leonardo DiCaprio's receiving with his one Oscar.