Kraken

The kraken is an enormous creature living in the oceans. It's physical appearance can be likened to that of a giant squid, although in some tails, it is described as being more similar to a whale or a crab.

Source
The kraken originates from Norwegian folklore around 1250 AD.

Media
Kraken appear in the following media:

Games

 * Age of Mythology
 * Call of Duty: Ghosts
 * Castle Age
 * Conan
 * Darkfall: Unholy Wars
 * Darkfall Online
 * Donkey Kong Country Returns
 * EarthBound
 * Fable: The Lost Chapters
 * Final Fantasy
 * Final Fantasy ARR
 * Gems of War
 * God of War II
 * Golden Sun
 * Heroes of Newerth
 * Hitman
 * The second episode (Sapienza) contains a redacted challenge called Unleash the Kraken in which a sailing boat is consumed by a sea monster.
 * Indiana Jones and the Emperor's Tomb
 * Kerbal Space Program
 * A floating-point bug in the space flight simulator which caused vessels at high speed and/or far away places to be disassembled and destroyed was named "Space Kraken" by the community. This name was adopted by the developers, who named the fix for this bug "Krakensbane"
 * Marvel: Ultimate Alliance
 * Secrets of the Deep for Pinball FX 2
 * Shamu's Deep Sea Adventures
 * Shining Force II
 * Smite
 * The Kraken is used as Poseidon's ultimate ability, dealing damage in two concentric circles, the smaller of which will deal extra damage and also knock up and stun enemies hit by it.
 * The Ocean Hunter
 * The Sims 3: Island Paradise
 * Tomb Raider: Underworld
 * Wonder Boy in Monster Land
 * Risen 2
 * Splatoon
 * the Kraken is a special weapon obtainable in a match that allows the player to temporarily become a giant squid and move with reduced speed and impunity across the map.
 * Vainglory
 * World of Warships
 * One of the in game achievement is called Kraken Unleashed ; rewarding player who destroy 5 or more ships in a single battle.
 * Shining Force II
 * Smite
 * The Kraken is used as Poseidon's ultimate ability, dealing damage in two concentric circles, the smaller of which will deal extra damage and also knock up and stun enemies hit by it.
 * The Ocean Hunter
 * The Sims 3: Island Paradise
 * Tomb Raider: Underworld
 * Wonder Boy in Monster Land
 * Risen 2
 * Splatoon
 * the Kraken is a special weapon obtainable in a match that allows the player to temporarily become a giant squid and move with reduced speed and impunity across the map.
 * Vainglory
 * World of Warships
 * One of the in game achievement is called Kraken Unleashed ; rewarding player who destroy 5 or more ships in a single battle.
 * Vainglory
 * World of Warships
 * One of the in game achievement is called Kraken Unleashed ; rewarding player who destroy 5 or more ships in a single battle.
 * World of Warships
 * One of the in game achievement is called Kraken Unleashed ; rewarding player who destroy 5 or more ships in a single battle.

Movies

 * Jack the Giant Killer (1961)
 * Clash of the Titans (1981)
 * Atlantis: Milo's Return (2003)
 * Kraken: Tentacles of the Deep (2006)
 * Pirates of the Caribbean: Dead Man's Chest (2006)
 * Clash of the Titans (2010)