Thunderbird

The Thunderbird is a cryptozoological creature, Associated with large bird-like animals, That live anywhere in northern Calada, New Club Penguin, all the way to UnitedTerra. Similar animals appear in Experimental Penguin mythology. Some tales of eagles, Strong enough to carry whales to their nests. Since early penguins started moving up from the NCP forests, Sightings of large birds have been recorded. Similar stories around other civilizations around the world had their own stories of the Thunderbird, Depicting a large bird of prey. Some stories say that they are so great and powerful, That when they flap their wings, It creates thunderstorms, Thunder flashed out of it's eyes, And water fell off their backs, Creating rain. Some tribes used the Thunderbird as a way to all of this, Such as storms and weather.

W.W.C World War Cryptid
in the novel and movie of W.W.C: World War Cryptid, The Thunderbird is a rogue character who fights good and evil since she serves nothing at them. Then in one part, She gets controlled by King Akuma, And soon used his lava-chains and soon controlled her.