Sam (Trick 'r Treat)

Sam is a child-sized demon who appeared in the 1996 animated short film Season's greetings and the 2009 anthology horror film Trick 'r treat.

 Death battle ideas: 

Michael Myers vs Sam

Freddy Krueger vs Sam

Jason Voorhees vs Sam

Sam vs Leatherface

 Background: 

Full name: Samhain

Age: over 5000 years old

Occupation: mass murderer and guardian of Halloween traditions

Powers: necromancy, regenerative powers, telekinesis etc.

Created to be an alter ego of writer/director Michael Dougherty. Seriously!