Gunther IV: Richest Dog Worldwide

With a net worth of $500 million, Gunther IV, a German Shepherd, is the world's richest dog, having inherited his fortune from his father, Gunther III. He inherited the money-which originated from a German countess, Karlotta Liebenstein, in a trust managed by Italian heir Maurizio Mian-and it's used to fund his lavish lifestyle (luxury homes, private jets, staff) and even businesses like a pop group and a football club.

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