Hito Hito no Mi, Model: Ukko

Human Human fruit, Model: Ukko
This Mythical Zoan type devils fruit grants the user the ability to take on a hybrid form as well as the full form of Ukko.

Who is Ukko?
Ukko is the Finnish god of the sky, storms, harvest, and thunder. He is usually depicted as an older man with white hair, as with most male gods he is usually said to be muscular. He wields both a large mallet and Axe.