Monster

"But the man has become a monster." "So he wasn't always... tentacley?" "No. Him was a man...once."

- Tia Dalma and Ragetti

A monster was any creature, usually found in legends or folklore, that is often hideous and may produce fear or physical harm by its appearance and/or its actions. The word "monster" derives from Latin monstrum, an aberrant occurrence, usually biological, that was taken as a sign that something was wrong within the natural order.

The word usually connotes something wrong or evil; a monster is generally morally objectionable, physically or psychologically hideous, and/or a freak of nature. It can also be applied figuratively to a person with similar characteristics like a greedy person or a person who does horrible things.

Leviathan
Leviathan (pronounced /lɨˈvaɪ.əθən/; Hebrew: לִוְיָתָן, Modern Livyatan Tiberian Liwyāṯān ; "twisted, coiled"), is a sea monster referred to in the Tanakh and the Bible. In Demonology, Leviathan is one of the seven princes of Hell and its gatekeeper. The word leviathan has become synonymous with any large sea monster or creature.

Demon
A demon is a paranormal, often malevolent being prevalent in religion, occultism, literature, fiction, and folklore. They were often considered an evil spirit, a fallen angel or Satanic divinity, or even one's inner spirit.

Ghoul
A ghoul is a monster associated with graveyards and consuming human flesh, often classified as undead.

Sea monster
Sea monsters are sea-dwelling mythical or legendary creatures, often believed to be of immense size. Marine monsters can take many forms, including sea dragons, sea serpents, or multi-armed beasts. They can be slimy or scaly and are often pictured threatening ships or spouting jets of water.

Appearances

 * Pirates of the Caribbean: The Curse of the Black Pearl
 * Pirates of the Caribbean: Dead Man's Chest
 * Pirates of the Caribbean: At World's End
 * Pirates of the Caribbean: On Stranger Tides
 * LEGO Pirates of the Caribbean: The Video Game