10 Horror Movies Monsters That Just DIDN'T Work

Fighting an evil snowman or a demon lamp sounds stupid... and it is.

By James Egan /

Even though the Predator looks amazing, its initial appearance was ridiculous, forcing the crew to cobble together a new design in mid-production. This last-minute change-up demonstrates how even the best in the business may struggle to craft a monster that's striking, unique, and above all, terrifying.

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However, there are many reasons why movie monsters don't always turn out the way they're supposed to. If the filmmakers can't agree on what the creature should look like, it could end up with a generic design. Even if the special effects team has the perfect blueprint in mind, things could be compromised by money or technology. After all, the crew can't bring their vision to life if they're working with subpar prosthetics or a shoddy costume.

If an animatronic is being used, it could be difficult to operate, making the monster's movements janky or stilted. If the beast is brought to life with CGI, the visuals need to be 100%, or the audience isn't going to buy it for a second. 

Although the following ten movie monsters come in all shapes and sizes, none of them were as scary as they were supposed to be.

10. The Offspring - Alien: Romulus

Ridley Scott's Prometheus and Alien: Covenant were intended to usher in a new era for the Alien franchise. Unfortunately, the masses weren't onboard with the changes to the xenomorph lore. (Also, the revelation that humanity was created by an ancient race called the Engineers felt disconnected from the sci-fi brand.)

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With that said, Fede Alvarez's Alien: Romulus seemed promising based on the promotions and early buzz. Sure, the sidequel had a couple of problems (especially uncanny valley Ian Holm), but it felt like a worthy instalment in the Alien saga. Until the last ten minutes...

Just when it seems like things are winding down, heroine Rain finds herself being hunted by an alien-xenomorph hybrid called the Offspring.

Though it's not uncommon for an Alien movie to have an additional climax, the Offspring doesn't gel with the tone. It's unmistakably modelled off an Engineer, so it feels like Ridley Scott (who was producer) crowbarred the hybrid in to force a connection with Prometheus.

Although the Offspring itself is unnerving, Alien: Romulus was functioning just fine without it, making this creature feel unnecessary.

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