List of Monsters vs. Aliens characters

This is a list of characters from the movie Monsters vs. Aliens and other spin-off related.


Each of the main five monsters has DNA traceable to previous films, although none is a mere copy of an older character.[1]

Susan Murphy

Susan Murphy also called ¨Ginormica¨ (Reese Witherspoon in films and Riki Lindhome on television) is a normal woman who is hit by a radioactive meteor on her wedding day, causing her to mutate and grow to a height of 49 feet 11 inches (15.21 m). In addition to her size, she is amazingly strong and has a resistance to energy attacks. She serves as the film's central character. She appears in the Halloween special Monsters vs. Aliens: Mutant Pumpkins from Outer Space. She makes a cameo in a cliffhanger at the beginning of Night of the Living Carrots.

B.O.B. (Benzoate Ostylezene Bicarbonate)

B.O.B. (Benzoate Ostylezene Bicarbonate) (Seth Rogen in the film and specials, Dave B. Mitchell in Madagascar Kartz and Eric Edelstein in the television series) is an indestructible gelatinous mass created when a genetically-altered tomato was injected with a chemically-altered ranch dessert topping, the resulting goo gaining some form of consciousness. His greatest strength lies in his ability to digest any substance and being indestructible. His one weakness is that his mutation did not give him a brain. In the video game, B.O.B. has no arms. It is revealed in "Night of the Living Carrots" that he had a fear of carrots due to being force-fed carrot puree in his youth and at the end of the short was turned into a giant, zombie carrot. He is based on The Blob.

Dr. Cockroach Ph.D

Dr. Herbert Cockroach Ph.D (Hugh Laurie in the film, B.O.B.'s Big Break and Mutant Pumpkins from Outer Space, James Horan in Night of the Living Carrots and video game, and Chris O'Dowd in the TV series) is a brilliant but mad scientist with a giant cockroach's head and some cockroach personality and the ability to climb up walls and high resistance to physical damage. He has a tendency to eat garbage and laugh maniacally. He is based on The Fly.

The Missing Link (Will Arnett in the film, video game, B.O.B.'s Big Break, and Mutant Pumpkins from Outer Space, David Kaye in Night of the Living Carrots, and Diedrich Bader in the TV series) is a 20,000-year-old fish-ape hybrid who was found frozen and thawed out, only to escape and wreak havoc at his old lagoon habitat. He behaves as a macho jock most of the time, but is out of shape. He is an expert martial-artist and leads the team in attacks. He is based on the Creature from the Black Lagoon.


Insectosaurus (often referred to as "Insecto") (Conrad Vernon), a 1 inch (25 mm) grub that was transformed by nuclear radiation into a 350 foot (110 m) monster with the ability to shoot silk out of his nose. He is a giant monster silkworm that cannot speak clearly, and is mesmerized by bright lights (usually used to lead him to other locations); For the longest time Link thought insectosaurus was a male, after the emergence from the cocoon it was discover he was actually a she. Missing Link can clearly understand what Insectosaurus is saying. As Butterflyosaurus, she has wings and is able to fly and becomes the Monsters' mode of transportation. Insectosaurus is based from Godzilla and Butterflyosaurus is based on Mothra.

The Invisible Man

He was mentioned in the film and had a brief cameo in "B.O.B.'s Big Break". He susposedly died before the events of the first film.


The Man-Beast is a Werewolf that was originally meant to join Team Monster, but was rejected because his human self was considered too dangerous for the base due to his hyperactive nature.


A horde of zombies were captured during an outbreak, but they never became members of Team Monster because of their need to eat brains. Created by a world ending virus.

Evil Pineapple

A pineapple that was created by Dr. Cockroach and Susan that escaped from Area Fifty-Something.


The aliens and alien robots from the movie and TV show is listed here.


Gallaxhar (Rainn Wilson) is an evil alien overlord who hopes to take over Earth and serves as the main antagonist of the film. He is served by gigantic robot probes and possesses a giant cloning machine.

Gallaxhar's computer

Gallaxhar's computer (Amy Poehler) is a user-friendly computer that follows his orders.

Giant Robot Probe

Artificially intelligent robots on board Gallaxhar's ship sent to Earth after the quantoinum was detected.

Mutant Pumpkins

The Mutant Pumpkins are thye antagonists of Mutant Pumpkins from Outer Space. They were created by an unknown alien that saturated Farmer Jeb's pumpkin patch with a green mutagenic substance.

Zombie Carrots

The Zombie Carrots are the antagonists of Night of the Living Carrots. Created when Link absentmindedly scares a surviving pumpkin that was standing over a carrot patch in the garden of Susan's parents' home, causing a carrot to absorb the same green goo that mutated the pumpkins and turn into a zombie carrot.

Sqweep's Teacher

Sqweep's Teacher is a minor character seen on a few episodes.


Pip is Sqweep's financial planner working for Epsilon-11 Allowance Management. He is the same species as Sqweep in dark blue. He came to Earth to collect payment after the monsters and Coverton spent a large amount money from Sqweep's piggy bank account.

Zed-7 Epsilon Attack Plushy Toy

An aggressive plushy that appears in "The Toy from Another World".


Leprechaun is a small luck granting indestructible alien known as a Leprechonian that has anger-management issues. It was originally believed by Monger, Coverton, and the other monsters to be classified as a monster which Link uses to gain good luck.

The Internet

The internet is an alien who is literally the Internet.


Coverton (Jeff Bennett) is a psychokinetic alien who is the main antagonist of the TV series that uses a floating chair for transportation. He is the team leader of Team Alien.


Coverlord (or Grand Coverlord) is the main antagonist of the television series who wishes to take over the Earth. He who sends Coverton to Earth. Coverlord is seen as a mute, faceless, green cloud.


Sqweep (Haley Tju) is an adorable, intelligent alien child who has come to Earth to write a report on Earth's dominant species for school.


Sta'abi (Gillian Jacobs) is a hotheaded female alien from a warrior/hunting culture and Link´s love interest. Highly aggressive and quick to take matters into her own hands, she is offended by apologies and answers best to aggression. She also fails to understand certain Earth customs, such as emotions.


A rambunctious semi-sentient alien, Vornicarn hatched on Earth and briefly incubated inside Link's nose before emerging, rampaging around Area Fifty-Something until Sta'abi captured and tamed him to be her loyal hunting companion.

Space Monsters and the unidentifiable

Zombie Moon Ape

When the monsters are watching a horror film called Attack Of The Zombie Moon Ape, Sqweep watches it in secret to gain extra credit. Becoming sleep deprived because of it, Sqweep invents a memory extractor to extract the memory of the Moon Ape, which escapes into reality where it terrorizes Area fifty-Something.


A smart phone Dr. C brings to life and adopts as his own son.


Robot characters Aero Tank and Unstoppabot appear in some episodes.



  1. The Monsters That Inspired ‘Monsters vs. Aliens, BROOKS BARNES, March 19, 2009
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