Lassander Dagmar

First appearance: We Are Still Here (2015)

A couple moves to a new home in a small town hoping to recover from the recent loss of their son. Once they've moved in strange things start happening. Is it their son trying to communicate from the other side?
When their neighbours swing by to welcome them, they also tell them the sad story of the family who the home was originally built for. And since everyone's acting weird the unhappy couple invite their hippy buddies over to help try to communicate with the apparent spirit hanging around the home. And since that's never resulted in anything good happening to anybody, mayhem ensues!

One of the best haunted house flicks I've seen in a long time. check it out!

Rusty Rex

First appearance: Tales of Halloween (2015)

Ten Terrifying stories of the most awesome of holidays! All set in one town, each of the stories is by a different creative team who amazingly create a very consistent atmosphere.

Little Rusy appears in the story "The Ransom of Rusty Rex," wherein poor Rusty runs into trouble with a couple of no-goodniks who kidnap him.
You'll notice Rusty's little pal, he's an alien who appears in the tale "Friday the 31st"

Sweet Tooth

First appearance: Tales of Halloween (2015)

Ten Terrifying stories of the most awesome of holidays! All set in one town, each of the stories is by a different creative team who amazingly create a very consistent atmosphere.

Sweet Tooth appears in the first story aptly titled "Sweet Tooth," a tale explaining why you should never eat ALL your candy as soon as you get home from Trick or Treating!

Hellboy

First appearance: Hellboy (2004)

Guillermo Del Toro brings Mike Mignola's pulptastic monster fighting comic to the big screen for the first time.
Summoned by a weird occult machine by Rasputin for the Nazis, a weird little demon is intercepted by Professor Bruttenholm and the allied forces. The demon is adopted by the professor named "Hellboy" and raised in Bureau of Paranormal Research and Defence, away from the prying eyes of everyone. Hellboy hangs out with a fishman and a pyrokenetic and they fight monsters and stuff.
But little do they know Rasputin's trying to summon some giant tentacle monsters from another dimension and Hellboy's the key!

Pale Man

First appearance: Pan's Labyrinth (2006)

A heart warming fairy tale about the Spanish Civil War and a little girl. Featuring all the stuff great fairy tales are full of: violence, horror, monsters, death.