Old movie about a kid who turns into a monster

A little boy is bedeviled by recurring nightmares of a monster that just won’t go away.

A Kid gets an unwanted visitor at night

A two-headed monster grabs a little girl's backpack, which leads to a transformation.

A story about young Cathy and her conjured up monster with an appetite for people. Fun at first, things take a turn for the worse when the monster’s appetite turns uncontrollable. The film is based on Veiko Belials' short story “The Monster”.

A little girl decides to expose the monster that haunts her every night.

The story of three children who find themselves with a friendly monster that grows at an alarming rate.

A young boy is scared of the monster under his bed. He asks his 6th grade brother to swap rooms for the night as a bet that the monster really exists. Soon the brother becomes friends with the monster and discovers a whole new world of fun and games under his bed where pulling pranks on kids and other monsters is the main attraction.

In a little Western town, a boy is subjected to rays from a meteor. As a result, he grows into a teenaged, hairy, psychopathic killer. His mother hides him in her basement.