Summary

While CGI monster can look great , some laughablehorrorvillains have ruined otherwise substantial movies . There are few thing more dissatisfactory than an underwhelming monster in a revulsion moving picture . While a lot of slasher picture show can get aside with a mask murderous madman as their villain , supernatural repulsion movies and beast features tend to need more impressive and original antagonist . From Godzilla toHellraiser ’s Pinhead toAlien ’s Xenomorph , to more recent screen monster like the Babadook orThe Ritual ’s unforgettably eldritch Moder , the history of screen horror comes complete with a rogue ’s gallery of memorably scarey villains .

However , while a great villain can elevate an otherwise passable horror movie , the opposite is also true . Someslow - burn repulsion movies are deserving the wait , but all too often , entries into the genre obscure their monsters in shadow until the finale only to then rent viewers down . While the writing style has provided audiences with unforgettably bad practical effects over the decades , the uniquely unconvincing nature of bad CGI is creditworthy for horror ’s more recent failures . Whether they looked silly , fake , or unintentionally suspicious , uncollectible CGI giant have been the ruin of many ab initio large horror movies .

10Pennywise’s Final Form — IT: Chapter 2

The sequel to Stephen King’s IT revealed a comically awkward spider-clown

Cast

Penywise ’s last mannequin was a comically goofy giant spider with a buffoon ’s foreland .

2019’sIT : Chapter 2was a piddling tonally uneven , with the continuation bouncing between knockabout comedy scenes and dark , gruesome horror without much warning . However , for the most part , this second chapter of 2017 ’s blockbuster was a succeeder . The grownup version of The Loser ’s Club was well cast of characters , Pennywise was still terrifying , and Bill Hader slip the show as Richie Tozer ’s elderly self . What a disgrace thatIT : Chapter 2 ’s endingrevealed Penywise ’s terminal shape was a comically goofy elephantine spider with a clown ’s head .

9He Who Walks Among the Rows — Children of the Corn (1984)

IT : Chapter 2 ’s adult monster reveal might have been unsatisfying , but it was a hatful better than 1984 ’s earlier Stephen King adaptationChildren of the Corn . In its opening half , this rural chiller was an effective little adaptation that follow a bickering duet as they got lose in a seemingly abandon Nebraska Ithiel Town . The revelation that the town ’s children had off all the grownup was authentically creepythanks to a couple of superb villainous performances from Courtney Gains and John Franklin . However , the dreadful CGI used to realize He Who Walks Among the Rows derail the finale .

8The Boogeyman — Boogeyman (2005)

2005’s titular villain ruined the preceding movie’s unsettling atmosphere

The Boogeyman was a slump - jawed CGI monstrosity .

Fewhorror motion picture depict the Boogeymanonscreen , perhaps because no monster could jibe the reckon horror of the audience ’s childhood . However , 2005’sBoogeymanattempted this with the floor of a brainsick new man retrovert to his childhood home and face the unseen force that kill his father years earlier . A slack - jawed CGI monstrosity , Boogeyman ’s monster was bad enough to undo the considerable promise of the movie ’s creepy-crawly other scenes .

7Uxia — Dagon

2001’s almost-perfect Lovecraft adaptation was let down by bad CGI

Dagoncombined two of the fabled horror author HP Lovecraft ’s best - love chronicle into an unsettling narrative of a townspeople with a sullen secret . Some miserly - spirited wrench , truly shocking gore , and spirited , campy focus secure that this was , alongside 1991’sThe Resurrected , one of the good Lovecraft screen adaptations . That is until the revelation of one jarringly inept piece of special effects work asthe villainous Uxia ’s laughably bad CGI tentacle undo all the picture ’s patient tension building .

6The Devil — The Omen (2006)

The Omen’s remake shouldn’t have revealed its goofy devil onscreen

A remake ofThe Omenwas always guarantee to be a punishing sell since the master copy is famously a rarehorror movie where the heroes miss . However,2006 ’s re - do prove amazingly competent , with Liev Schreiber offer a more jittery , paranoid take on Robert Thorn , the diplomatist who slowly realizes his son is the Antichrist . David Thewlis and the late , great Pete Postletwaithe provide fun , campy support and Julia Stiles was typically unattackable as Damian ’s conflicted mother , but all this good work was undo by a dodgy CGI devil that wait like a goofily grin horse skull .

5Mama — Mama

2013’s Mama proved that a bad monster design could undo a solid movie

The eponymous force , the largely unseen Mama , was effectively creepy until the disappointing ending reveal her to be a badly pull in CGI ghost .

Mamafollowed a distich who adopted their orphan nieces , who had spent the past five years eking out a savage existence in a remote timber . The pair clamber to integrate the girl into society , but this issue was worsened by the gradual realization that a supernatural force had seemingly come after them out of the wood . The eponymic military unit , the largely unseen Mama , was effectively creepy untilthe disappointing ending revealed her to be a poorly realized CGI ghost .

4Lily — Case 39

This slow-burn horror had a comically weak reveal up its sleeve

Lilith was nothing more than a CGI fiend with cliché black middle .

eccentric 39is supporting starBradley Cooper ’s bad horror movie , which is pretty impressive count how speculative the rest of his genre outings are . The story of a social prole who essay to arouse a troubled minor only to discover they are cursed , Case 39started out like a fun , wearisome - burn slayer kid horror movie . However , Case 39spent far too long teasing its villain only to reveal that Lilith was nothing more than a CGI demon with cliché opprobrious eyes .

3Mary Elnor — The Unholy

This religious horror seemed to be promising until its big villain reveal

2021’sThe Unholysaw a cynical diarist look into what seemed to be a bowed stringed instrument of veridical - life miracles performed by a young girl . When the missy claim she was channeling the life of Mary , everyone get into she meant the Virgin Mary untilThe Unholy ’s hero had cark nightmares about a demon . This demon turned out to be the satanist Mary Elnor , a twist that might have worked comfortably if Mary herself was n’t a bland , by - the - numbers CGI monster with no memorable features .

2Calvin — Life

This otherwise great sci-fi chiller’s alien couldn’t compare to the Xenomorph or the Predator

2017’sLifehad tons going for it . A dramatis personae that include Jake Gyllenhall , Rebecca Ferguson , and Ryan Reynolds , a genuinely shocking early death , and a story of a rampage sea wolf alien that felt more like 1979 ’s originalAlienthanRidley Scott ’s convolutedAlienprequels . However , all of these promising elements became less than the amount of money of their parts thanks to Calvin , the villain at the picture ’s centerfield . Life ’s CGI stranger was a weightless , bland blobwhose unbounded magnate could n’t hide its unimaginative design .

1The Darkseekers — I Am Legend

Will Smith’s action-horror epic was ruined by PlayStation-style monsters

2007’sI Am Legendwas incredibly patient for a megahit , with the movie contain a good hour to reveal the monsters that Will Smith ’s riotous lone wolf Robert Neville parry in post - revelatory New York . However , the wait was not worth it whenI Am Legendfinally unveil its Darkseekers and they were uproariously unconvincing monsters that would n’t have passed muster in a PlayStation secret plan five years earlier . An otherwise square repulsion pic was irreparably damaged by these villains , which are neither scary nor realistic enough to make Robert ’s quandary poignant despite a strong functioning from Smith .

Josh Hartnett looking shocked in Fight or Flight

Ben-Stiller’s-$128M-Dark-Comedy-Lands-On-Netflix’s-Global-Charts-18-Years-Later

Denzel-Washington’s-Best-The-Equalizer-2-Scene-Revealed-The-Real-Robert-McCall

Javier Botet in Mama and Jodelle Ferland in Case 39

Headshot Of Bill Hader In The 71st Primetime Emmy Awards

Headshot Of Isaiah Mustafa

Headshot Of James Ransone

Headshot Of Jay Ryan

The Boogeyman sneaks up behind Barry Watson  in Boogeyman 2005

A woman with tentacles for legs sits on a bed in Dagon 2001

The devil appears in Julia Stiles' bathroom mirror in The Omen 2006

A creepy ghost reaches its blackened, gnarled hand and makes a contorted face in Mama

Headshot Of Jessica Chastain In The 10th Annual Breakthrough Prize Ceremony

Cast Placeholder Image

Headshot Of Nikolaj Coster-Waldau

Lilith’s demon form reaches a hand out in Case 39

Headshot Of Renée Zellweger

Headshot Of Ian McShane

Headshot Of Bradley Cooper In The Premiere of ‘If’

Mary Elnor screams while staring in The Unholy 2021

Calvin’s final form from Life

Headshot OF Will Smith

Headshot Of Alice Braga