Female Cenobite

First appearance: Hellraiser (1987)

Even though everyone seems to love Pinhead, Female Cenobite actually seems to be good at the job the cenobites are assigned. Pinhead always seems to let Kristie get away with opening the box.

Clifford

First appearance: Clifford (1994)

All Clifford wants is to go to Dinosaur World, woe be unto those who get in his way...

thoroughly under rated / under seen movie.

Greta

First appearance: Gremlins 2: A New Batch (1990)

The sequel to Gremlins. Billy and Kate have problems with Gremlins in New York city this time!

Mysterious Alien Creature

First appearance: Mac and Me (1988)

Alien family gets trapped on earth, the youngest of them gets separated from the family, befriends an handicapped youth, becomes addicted to Coca-cola, has wild adventures.

Munchie

First appearance: Munchie (1992)

Ever wish you had magical friend who sounded like Dom Delouise? This might just change your mind! Even though it's often packaged with similarly titled MUNCHIES, this movie has nothing in common with it other than weird puppet characters.
Also Munchie never flies around on a pizza in the movie.

Ricky

First appearance: Silent Night Deadly Night: Part 2 (1987)

Did you see Silent Night Deadly Night?  If yes than you've seen 3/4 of this one. If you didn't you could start here with Silent Night Deadly Night 2 since 3/4 of this movie is the first movie. 

Merry Christmas!

Cheddar Goblin

First appearance: Mandy (2018)

A lumberjack and his girlfriend run into some trouble with a folk singing cult leader and a weird gang of LSD mutated motorcycle enthusiasts. things unfold the way you'd expect... or does it?

Cujo

First appearance: Cujo (1983)

A heart warming tale of a dog that really wants to hang out with it's owner and her son.
Kinda like Ol' Yeller but with more scares.

Trantor

First appearance: Ernest Scared Stupid (1991)

A Troll is turning the townsfolk into wooden statues! It's up to Ernest Powertools Worrell and an eccentric local artist who survived the trolls first attack to stop him!

Art The Clown

First Appearance: All Hallow's Eve (2013)

Weird horror anthology flick dealing with creepy tales found on a videocassette while trick or treating. A creep clown named Art appears in all the stories. Is he human? some kind of demon? a ghost? is he even a real clown? Either way he's popular enough to get his own feature film "Terrifier!"

Krampus

First appearance: Krampus (2015)

A bickering family runs afoul of the other big christmas mascot. horror ensues!

Six Shooter

First Appearance: Puppet Master III: Toulon's Revenge

Hey remember how Andre Toulon was a maniac who designed puppets to murder people and had a serum made of human brains that brought them to life? Remember how he killed himself in that hotel in Bodega Bay, California in 1939 to prevent Nazis from getting his secrets? Well it turns out that was all a big misunderstanding. What happened was in 1941 Berlin nazis killed Toulon's wife while trying to force him to give up the secrets to how he animated his puppets so they could use it to reanimate their dead in order to have an unkillable army. Toulon uses his puppets to get revenge!

Tunneler

First appearance: Puppet Master (1989)

A bunch of psychics investigate an old hotel and are menaced by living puppets. Who created the puppets? Why are they killing the Psychics?
One of the longest running horror franchises.

Leech Woman

First appearance: Puppet Master (1989)

A bunch of psychics investigate an old hotel and are menaced by living puppets. Who created the puppets? Why are they killing the Psychics?
One of the longest running horror franchises.

Jester

First appearance: Puppet Master (1989)

A bunch of psychics investigate an old hotel and are menaced by living puppets. Who created the puppets? Why are they killing the Psychics?
One of the longest running horror franchises.

Torch

First appearance: Puppet Master II (1990)

Toulon's Puppets are back! killing more folks in an attempt to resurrect their creator Andre Toulon!
Turns out Toulon's more than likely an evil guy, what with his bringing horrifying puppets to life through the use of some kind of serum that requires human brains to work.

Joseph

First appearance: The Crescent (2017)

A woman and her child move into her mother's house to deal with the grief of losing her husband and to marble paper. Unfortunately for her there's some weird stuff going on around the beach.
A horror flick in the vein of EYES OF FIRE and MESSIAH OF EVIL.

Jötunn shape shifter

First appearance: The Ritual (2017)

Four friends go on a hiking trip to morn the death of one of their other friends. The learn that it's not a good idea to take shortcuts.
Based on a novel by Adam Nevill

Pennywise The Dancing Clown

First appearance: 2017

A bunch of kids run afoul of some kind of horrible shapeshifting monster that lives in the sewer beneath there home town. The monster takes the form of what it's victims fear most favouring the look of a creepy clown, and surfaces every 27 years to feed.
Movie based on the Stephen King novel but shifts the story 27 years into the future.

Rawhead Rex

First appearance: Rawhead Rex (1986)

Some kind of weird monster is pissing on priests and killing folks in Ireland. what could it be? it's Rawhead Rex! Based on a story by Clive Barker, who was not happy with how it turned out, nor was he happy with what the monster looked like. People seem to like it though, it's getting a 4K restoration and is being released on BluRay soon.