Earth 51 is home to the survivors of the Great Disaster, where the last boy on Earth Kamandi, Ben Boxer, aka biOMAC, and Prince Tuftan of the Tiger Clan journey across a ruined world where animals possess human intelligence and now control the planet.
- Prince Tuftan
- New Gods
- This Earth is based off of Jack Kirby's Earth-AD.
- Earth 51 is opposite Earth 6 in the structure of the Multiverse, and is directly connected to New Genesis, the "Pinnacle" aspect of the Sphere of the Gods.
- Earth 51 is one end of the "Kirby Axis" in the local Multiverse with Earth 51; it is also one half of the "Lee/Kirby Binary" with Earth 8.
- Characters from Earth 51
- Other things related to Earth 51
- Earth 51's Comic Appearances
- Reality Gallery: Earth 51