Thunderbird

The thunderbird is a huge bird, with powers over electricity. It can create thunderstorms just by flapping it's wings.

Source
The thunderbird originates from north-american mythology, where it is said to control the upper world.

Media
Thunderbirds appear in the following media:

Games

 * Heroes of Might and Magic III
 * Heroes of Might and Magic IV
 * Heroes of Might and Magic VI
 * Might and Magic VII