The hulking male cat was rescued from a life in the circus by a loving couple called Mada and Eloy. He is 1 year and 7 months old.
The pair, from Sant Jaume de Llierca near Olot in Catalonia, Spain, turned their garden into an enclosure for the huge animal.
And terrifyingly, they revealed that the lion even sleeps with them.
Simba reportedly eats as part of the family and can often be found lounging inside the home.
It costs the couple around 497 EUR (450 GBP) every month to feed and...