He was Charles Foster Kane. www.imdb.com has all the answers about movies.
His full name is Charles Foster Kane
Charles Foster Kane goes from happy (but poor) child, to rich and successful newspaper magnate, to bitter old man living in Xanadu, his private mansion.
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He goes from a happy (but poor) child, to a famous and successful newspaper magnate, to a bitter old man who lives in Xanadu, his private mansion.