The Mighty Cheetar is Golden Leon's son, Justice Jaguar's father, Grandpapi's grandfather, Rodolfo's great-grandfather, and Manny's great-great grandfather. He was known Scourge of the Seven Seas due to his numerous and infamous acts of piracy that he carried out during his life. He speaks with a pirate accent. Puma Loco says he nearly ruled the world with just a steam Mecha-Suit.
White hair, gold tooth, steam-powered mechasuit (made, no less, of bricks), eyepatch.
Mighty Cheetar was the second super-villain in the Rivera bloodline. He plundered various ships in Miracle City becoming known as the scourge of the sea for his crimes. At some point, he would go onto father Justice Jaguar and become the grandfather of Puma Loco who would idolize his grandfather and follow in his footsteps.
Mighty Cheetar reached the point where his life in Miracle City had to end. He went on to live in the Land of the Dead.