October 6: Curse

Name: Light Up Larry

Larry Popper was an ordinary mugger until he tried to mug a short pale lady with a pointed hat.

He tried to rob her of her cash and her golden desk lamp she just bought. Larry grabed the lamp and pulled as hard as he could to try and steal it, breaking the lamp into two.

The pale lady now enraged, reveals to the robber that she was a powerful witch. Larry pleaded to her to spare his life. She gave him a cold glare, held her hand out and casted a curse on him. The curse slowly and painfully turned him into her new desk lamp.

October 7: Clown

Name: Zike The Pop-Up Clown

A clown with a horrid magic trick.

It likes to capture its prey in its belly mouth, once caught it'll stab itself to kill the prey. This monster has a striking resemblance the board game "pop-up pairat".

It likes to sneak into birthday parties for an easy meal.

October 8: Skeleton

Name: The Gored Skeleton of The Woods

Once a normal man, now a gored zombie stripped mostly down to his skeleton. He stalks the woods his body was left in, attacking and shredding any living thing he can get his teeth on. Its rumored that if he ever kills his murderer his soul will finally be put to rest. (his lore might change later on)

October 9: Poison

Name: Toxitten

This monster strikes at pray with his five long pointed tails. These tails are filled with a variety of poisons and toxins.

He only kills to eat, crying after every meal.

Backstory:

He was a normal cat before that night.

Taken in from a shelter to become a test animal for a group of cruel occultist. The poor cat thought it was gonna get a nice home, instead it was covered in a variety of toxins, had human blood poured on him, had most of his bones broken, and had five syringes were stabbed into his lower back.

He was then sat in the center of a ritual circle, chanted at, and transformed into a disturbed monster. He was then abandoned in a forest, in hope that it would cause chaos.

All he ever wanted was a home.

October 10: Moon

Name: Little Moon Man

A monster created through the power of alchemy and a dark ritual.

Cocky and cruel, this monster antagonizes anything it considers a "villain". Anything this monster "defeats" will vanish, never to be seen again.

The monster has a striking resemblance to the mascot of a short lived anime series "The Adventures of Little Moon Boy" from 1963...

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October 10.5: Moon

Name: Little Moon Boy 1963

The mascot of a shortly lived comedy/fantasy/action anime series "The Adventures of Little Moon Boy" from 1963. Currently the anime is considered lost media, only a few old drawings and the scripts of two of the episodes are the only things left from the anime to prove it ever even existed in the first place. This is the only known drawing of him.

The anime stars the titular character "Little Moon Boy" often called "tsuki-kun" (moon-kun) by his friends and "monsutā" (monster) by the antagonist. Moon-kun's personality would be best described as a brave cocky hero, willing to tussle with any villain big or small. How he would fight would vary, depending on the moon's phase. Thanks to the lost status of the show only two of his four (possibly 8) attacks are known, Waning Crescent would be a curved moon energy blade and a full moon would be "shining full moon beam blast" (his signature attack). 

The two episodes started with Moon-kun descending from the night sky to start that days adventure, and ends the episodes with Moon-kun magically sending the villains of the show to the moon after defeating them.