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In all the world, ケーシー (Casey , Kasey , ケーシー ) is a widespread epicene first name. The forename ケーシー is characteristic of the United States, where it is quite a common epicene name, Australia, where it is quite a common largely girly, but seldom boy's name, and Malta, where it is quite a common feminine name. In absolute terms, the name is most common in the United States, Australia, and the United Kingdom. Likewise, ケーシー is the last name as well as the forename.
ケーシー is also a prevalent name for the fictitious and mythical characters: Casey Jones , the fictional Teenage Mutant Ninja Turtles character, Teenage Mutant Ninja Turtles: Out of the Shadows; Casey Jones , the fictional Teenage Mutant Ninja Turtles character, created for the film script ''The Blue Door''; Casey Jones , the fictional character in the 1990–2007 Teenage Mutant Ninja Turtles film series; Casey Jones , the fictional character in the 1987–1996 Teenage Mutant Ninja Turtles animated television series, The Manhattan Project, Part 1 and Casey Coot , the Disney Duck character, The Life and Times of Scrooge McDuck Companion, and in many other works.