The Greedy Worm is an unkillable monster that debuted in Silent Hill 4: The Room and then reappeared in Silent Hill: The Arcade.

Tier: Unknown

Classification: Monster

Powers and Abilities: Superhuman physical characteristics, longevity, large size (Type 1; At least 20 meters long), natural weaponry (Teeth & claws), surface scaling, enhanced senses, limited technology manipulation, self-sustenance (Types 2 & 3), resistance to bone manipulation (Boneless)

Attack Potency: Unknown (They don't attack Henry Townshend)

Speed: Average Human attack, combat speed, and reactions

Lifting Strength: At least Class 1 by sheer size

Striking Strength: Unknown

Durability: Unknown

Stamina: Unknown

Range: Tens of Meters by sheer size

Standard Equipment: Teeth

Intelligence: Animalistic

Weakness: Monsters can be deterred with runes drawn in blood. Heavy rain causes monsters to roam the streets in greater numbers.