This adorable yet sharp-toothed rodent will stop short of nothing to find a nut.
Final Fantasy All the Bravest description
The Nutkin (ナッツイーター, Nattsuītā?, lit. Nuts Eater), also known as the Nut Eater, is a recurring creature in the Final Fantasy series. This nut-craving critter made its debut in Final Fantasy V.
In some games, there is a piece of equipment called the Nutkin Suit that is based and named after this enemy, though the enemy itself does not appear in the game that the suit appears in.
Appearances
Final Fantasy V
The Nutkin, also known as the Nut Eater, appears an enemy encountered on the world map around the Tycoon and Wind Shrine, and later in the Jachol Cave. It may also appear in the Sealed Temple exclusive to the Advance and Matrix Software releases. It is a harmless foe and poses no threat, but its far more dangerous cousin, the Skull Eater, may appear in its place in the latter locations.
Final Fantasy XIV
The nutkin appears as a minion obtained primarily from the treasure hunt, via unhidden leather maps or 
The Aquapolis. When used in Lord of Verminion, it is a critter-type unit whose ability "Skull Eater" sets a trap that reduces the movement speed of affected enemies.
Aside from the minion obtainable by players, an unnamed nutkin also frequently accompanies Thancred Waters in his travels.
Final Fantasy Dimensions
The Nutkin appears as an enemy encountered on the world map.
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Final Fantasy Dimensions II
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Pictlogica Final Fantasy
The Nutkin from Final Fantasy V appears as an enemy.
Final Fantasy Artniks Dive
This section about an enemy in Final Fantasy Artniks Dive is empty or needs to be expanded. You can help the Final Fantasy Wiki by expanding it.Final Fantasy All the Bravest
The Nutkin from Final Fantasy V appears as an enemy.
Final Fantasy Brave Exvius
The Nutkin appears as an enemy encountered in the Latius Woods and Chamber of Experience. It also appears during the the events "Time for Revenge" and "Conspiracy to the Throne."
World of Final Fantasy
The Nut Eater appears as a Mirage encountered in the Windswept Mire, Phantom Sands, and EX Dungeon Z. It can be imprismed using a Reaver Mu Prism after bestowing a positive status effect on it, and can be transfigured with the Reaver Mu and Skull Eater.
Chocobo no Fushigina Dungeon
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Chocobo's Dungeon 2
This section about an enemy in Chocobo's Dungeon 2 is empty or needs to be expanded. You can help the Final Fantasy Wiki by expanding it.Non-Final Fantasy guest appearances.
The Nutkin appears in NEO: The World Ends With You in a conversation about a fictional mobile game called "FanGO".