Wikipedia
Kamandi
Kamandi is an American comic book character, created by artist Jack Kirby and published by DC Comics. The bulk of Kamandi's appearances occurred in the comic series Kamandi: The Last Boy on Earth, which ran from 1972 to 1978.
Kamandi is a young hero in an alternate post-apocalyptic future. After a huge event called "The Great Disaster", humans have been reduced back to savagery in a world ruled by intelligent, highly evolved animals.