Tiny humans

Your under ground in a kingdom only soliders go up on top(lore)a long long tome ago a giant nuke fell humans body got mutated a lot to be small and different all humans had different effects the mellowians became super tall and fast the shapos are your kind short small and the size of ants with the trength of an elephant smartos are super smart and technology filled and animals are also dealing with that some animals became intelligent some became stupid some became stronger some became weaker