Lighting Serpent
The Lighting Serpent is a feature of Aboriginal Australian lore. It is a great serpent that lives in the heavens and descends to Earth when it is stormy. The energy released from its striking and rebounding from the Earth is the lighting which heralds the welcome rain.
John and Caitlin Matthews, The Element Encyclopaedia of Magical Creatures, 2013, Lighting Serpent, p 293