Monsters are the bread and butter of the film world. Whether they're evil humans turned against their own kind or fantastical beasts from across the galaxy, creating believable transformative entities is part and parcel of delivering a proper film experience.
But really, whilst the whole human evil angle is interesting and all, the fantastical beasts from across the galaxy - or another dimension, or from under the sea, or wherever the hell they like, we're not picky - are definitely the most exciting.
Whether they're the big bads of their film worlds or just a little bit of spice sprinkled in to make things interesting, seeing creatures from our wildest imaginations brought to the big screen is a part of movie magic like no other.
So let's celebrate the monsters that managed to make their first impression their last one once again, and didn't need any follow up to cement themselves as some of the best of their kind. Practical, CGI, or just a guy with a mask on looking a bit spooky - these are the creations that were humble enough to crop up for one scene only, drop the mic, and bow out to never be seen again...