The monster does not possess an official consistent name, however members of the film's crew, including Neville Page himself on concept art for the creature, and many fans have taken to calling it Clover, a shortening of the film's title, Cloverfield. In the film, the creature is designated by the United States Department of Defense as LSA, an acronym meaning Large Scale Aggressor. In Japan, the creature is sometimes referred to as Hakaisha (ハカイシャ), which comes from the Japanese word for "destroyer" (破壊者 and appears in the film's Japanese title, Cloverfield/HAKAISHA. hakaisha)
Clover is a quadrupedal sea monster with a long, forked tail. Its slender, triple-jointed front legs are longer than its hind legs, ending in multi-fingered hands which can bend backward, allowing the creature to knuckle-walk. Its hind legs are double-jointed. Clover's skin is light grey with darker speckles. Two "external esophagi," which end in tooth-like projections, extend from the monster's lower chest. Its head has sharp, bony features, two eyes with massive black pupils, and a pair of membranous sacks on the sides, which can inflate and recede back into the head.
In Cloverfield, the monster's origins are left ambiguous, although several theories are provided. Hudson Platt speculates that the monster could either be of extraterrestrial descent, or an earthly creature which lay dormant deep underwater, comparing it to the Coelacanth which was presumed extinct for over 80 million years before it was rediscovered in the 20th century. Preliminary details from the attack on Tagruato's Chuai drilling platform indicate that Clover may have been originally discovered in the Atlantic Ocean, and other theories suggest that the parasites which Clover collected on its body may have provoked it into its emergence from the water. The online ARG which was created to market Cloverfield in the months leading up to its release reveals, through several hints, that the monster is indeed a deep sea creature which was awoken by submarines, and special features from the Blu-ray release of the film further reveal that the creature was intended to be a juvenile by the filmmakers.
In The Cloverfield Paradox, Professor Mark Stambler theorizes that a successful test of the Shepard particle accelerator could unleash creatures from other dimensions on Earth. This is seemingly corroborated by the appearance of Clover, or another member of its species, at the end of the film.
Clover suddenly appeared out of the sea and came ashore in Manhattan, rampaging through the city and causing major devastation. The military attempted to battle the monster, but its weapons were ineffective and only enraged the creature further. The monster was injured by stealth bombers but wasn’t killed. After many attempts on Clover’s life, the military ordered a last-resort airstrike on the city codenamed the "Hammerdown Protocol."
Several monsters were inadvertently transported to an alternate Earth by the Shepard Particle Accelerator and began to wreak havoc across the globe. Clover, or another member of its species, appeared as the escape pod containing astronauts Hamilton and Schmidt fell to Earth. Its head and upper body erupted through a patch of clouds, as it lets out several loud roars.
Clover possesses immense physical strength, able to wipe out several landmarks with ease, including ripping the head of the Statue of Liberty off and throwing it like a baseball. Clover's tail was shown to be strong enough to decimate the Brooklyn Bridge, which was later forced to be fortified to withstand 49,200 tons of pressure, suggesting that his tail exerts forces far greater. At one point, Clover manages to achieve a leaping height of approximately 560 feet.
Clover seems to be virtually invulnerable to conventional weaponry, withstanding shells from M1 tanks, AT-4 rockets, F-18 Hornets, a bombing run from a B-2 Spirit, and other high-powered ordnance. The creature was, however, possibly defeated by a last resort airstrike which leveled much of New York City, codenamed the Hammerdown Protocol.
- Cloverfield/KISHIN (2008)
Clover surfaces and attacks a Tagruato ship near Japan and then heads into Tokyo, causing widespread destruction. The monster was searching for an electromagnetic wave-emitting pod—dubbed the "Remnant of God" by the Repose of the Earth religious cult which worshiped and expected the monster's arrival—that had been taken to be studied by the company Tagruato. The pod had been secretly harbored inside the body of the high school student Kishin Aiba, whose father, a scientist who formerly worked for Tagruato, had determined it was impossible to remove from without causing his death. Following both the revelation to Kishin that his mother had been a member of the cult (which had kidnapped and tried to kill him for the pod moments ago before being rescued by his father) and had used him as a vessel to carry the pod, and Mr. Aiba blowing himself up in his son's vicinity in attempt to kill both of them to "save the world" from the power of the pod, Kishin had an emotional breakdown and became able to control Clover and its parasites. After mounting the monster and going to the school, he tried to kill his bullies, but was ultimately snapped out of it by his classmate Aiko Sasahara. Subsequently, both the parasites and Clover were out of his control.
After using himself as a decoy to allow his classmates to escape, Kishin encountered Clover again. He sacrificed himself to the monster, who extracted the pod inside his body and experienced Kishin's emotions and memories. Clover regains awareness after his left eye is damaged, and returns to the sea, where it begins undergoing a grotesque transformation. Kishin appears in the surface of the ocean afterward, where he's rescued and reunites with his classmates.
- Main article: Clover/Gallery.
In other languages
- Japanese: クローバー (Kurōbā)
- J.J. Abrams stated that Clover was killed by the Hammerdown Protocol in a 2008 Rolling Stone interview. However, he later stated that the monster seen at the end of The Cloverfield Paradox was "the same creature" from Cloverfield. Whether he meant it was the exact same individual or another member of the same species is unclear.
- Clover's skull makes a brief appearance in Pacific Rim Uprising, during the scene where Hermann Gottlieb examines PPDC records in search of a match for the image Mako Mori transmitted.
- While a notation on the 'Investigation Mode' special feature on the Cloverfield Blu-ray states Clover's height to be estimated somewhere between 240 and 300 feet in his quadruped pose, he is referred to as both "a 30 story monster" (about 300 feet) and a "350 foot monster" during the 'I Saw It! It's Alive! It's Huge!' special feature.
This is a list of references for Clover. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: 
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