ThunderCats are a fictional group of cat-like humanoid characters created by Tobin Wolf.ThunderCats hail from the planet Thundera and struggle against the evil forces of the villainous Mumm-Ra. The ThunderCats are led by Lion-O, the young heir to the throne of Thundera, and include other notable members such as Tygra, Panthro, Cheetara, and Snarf. The series has been adapted into various media formats, including comic books and video games.