Panthro Thundercats MinicoPanthro Thundercats Minico Developed by Rankin Bass, based on the characters created by Tobin "Ted" Wolf, ThunderCats was one of the most successful animation series in the 1980s, with three seasons totaling 130 episodes. The series tells the adventures of a group of humanoid felines surviving from the planet Thundera, on a new planet called the Third Earth, facing various threats and their greatest enemy, the mummified demonic sorcerer Mumm Ra.