The Stormfather

The Stormfather is a splinter of the Shard Honor, and is the father of Sylpherena and the being in controller of the myriad Highstorms that occur all across Roshar.

He later becomes the Spren of Dalinar Kholin, much to his own chagrin.

History
He was born from the death of Honor, who met his demise at the hands of Odium. And after since then he has existed in the world. Acting as the source of Highstorms. ￼