Kalki/Kalkin

The tenth and last incarnation of the god Vishnu in the Hindu mythology. The name Kalki means ‘the white horse’ and according to Hindu belief, Vishnu will destroy the wicked and restore purity to the world at the end of the period known as Kali Yuga.

John and Caitlin Matthews, The Element Encyclopaedia of Magical Creatures, 2013, Kalki/Kalkin, p 266