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In the entire world, 里根 (Reagan , Regan , 里根 ) is a common gender-neutral given name. The given name 里根 is habitual in Reunion, where it is quite a common feminine name, Tanzania, where it is quite a common boy's name, and Philippines. In absolute terms, it is the most numerous in the United States, Philippines, and Tanzania. Also, 里根 is the last name as well as the forename.
里根 is also a name for the fictitious and mythical characters: Regan , the legendary character, King Lear; Regan MacNeil , the fictional character in The Exorcist; Normal , the character in the TV series Dark Angel; Regan Reilly , the fictional characters in novels by American author Carol Higgins Clark and Reagan Black , the character from Black Box, among other works.