5. Gigoo
Chicken, worth $15 million
Gigoo, a chicken, belonged to British multi-millionaire publisher Miles Blackwell, who left it $15 million in his will.4. Sadie, Sunny, Lauren, Layla, and Luke
Dogs, together worth $30 Million
Being Oprah Winfrey's pets must have many perks, we assume. One such perk is the fact that she has agreed to leave her pooches $30 million in her will, placing them at the fourth spot on the list of the world's richest pets.3. Olivia Benson
Cat, worth $97 Million
Taylor Swift's cat Olivia Benson has appeared in various commercials, including Diet Coke and Keds shoes. This Scottish Fold cat is worth a cool $97 million.2. Grumpy Cat
Cat, worth $99.5 Million
A beloved icon of our generation, Grumpy Cat (real name Tardar Sauce) is known for her permanently 'grumpy' expression - a feature which has earned her Internet fame and a whopping $99 million.1. Gunther IV
Dog, worth $375 Million
Topping the list of the world's richest pets is Gunther IV, a German Shepherd who is the lucky heir to the enormous fortune left to his father, Gunther III, who got it from his human, German Countess Karlotta Leibenstein. With $375 million to his name Gunther IV dines on steak and caviar and owns multiple million-dollar homes.
