Werewolves are as classic movie monsters as vampires, zombies, or mummies.

Pop in a pair of fake teeth.

How about a mummy?

Blended image showing a wolf’s snout coming out of a man’s mouth

Custom Image by Nimesh Perera

Break out the bandages.

Werewolves, however, involve a whole new level of transformation.

Like its wolfman,The Monster Squad’s got nards.

A werewolf, played by Henry Hull, attacks a man in Werewolf of London

Image via Universal Pictures

The film’s seasonal setting and matching visuals have made it a perennial favorite for horror fans on Halloween.

Trick r' Treat’slunar beasts are a female pack preying on unsuspecting men who underestimate them.

As Evil Ed might say, “That’s so cool, Brewster!”

01464858_poster_w780.jpg

Speaking of those predators, werewolves feature heavily in the film, with suitably gruesome transformations.

Jordan takes a different approach to unleashing his beasts.

It’sunsettling and horrific but also surreal and hypnotic, as the rest of the film is.

The wolfman snarls in The Monster Squad

Image via Tri-Star Pictures

It’s a must for fans of the now much more popularsubgenre of dark fairytales.

The first wasJoe Dante’struly scaryThe Howling.

Makeup effects legendRob BottinofThe Thingfamedesigned the film’s werewolves and devised their transformation.

the monster squad poster

Werewolf transformations simply don’t get any better.

NEXT:The 10 Best Vampire Movies of the Last 5 Years, Ranked

Lupin in werewolf form howling at the moon

Image via Warner Bros.

01159479_poster_w780.jpg

A group of women begins to transform into werewolves in Trick r Treat

Image via Warner Bros.

trick-r-treat-poster.jpg

Ginger transformed into a werewolf bearing her teeth in ‘Ginger Snaps’

Image via Motion International

ginger snaps poster

Roddy McDowall looking horrified at an impaled wolf creature under the stairs in Fright Night (1985)

Image via Columbia Pictures

fright-night-movie-poster.jpg

Benicio Del Toro as a werewolf in The Wolfman

Image via Universal Pictures

The Wolfman 2010 Movie Poster

A wolf emerges from the huntsman’s mouth in The Company of Wolves

Image via ITC Entertainment

The Company of Wolves 1984 Movie Poster

A werewolf appears in the shadows in ‘The Howling’

Image via Embassy Pictures

the-howling-poster.jpg

David Naughton as David Kessler in the painful werewolf transformation scene in An American Werewolf in London.

Image via Universal Pictures

an-american-werewolf-in-london-movie-poster-1.jpg

Horror

The Howling