5) Tommasino the Cat
Tommasino, an Italian cat was rescued as a stray by a millionaire Italian woman Maria Assunta. After the owners death Tommasino earned inheritance of over $15 million of his wealthy. Above all, he left him the entire family’s fortune. The cat has become the third richest animal in the world that made a great impact the last years in the elderly woman’s life. According, Maria Assunta died at the age of 94 years last month. Eventually, from this incident he inherited her entire fortune of $13 million. This inheritance immediately made him the third richest cat in the entire world.