Cooler

Cooler is the brother of Frieza and son of king cold. He attacked earth however was defeated by Goku. When he fought Goku he showed Goku that he reached a 5th form at one point in hell Arkicho released all the vilians onto earth and gave them energy of the z fighters with the power of piccolo who was already combined with nail and kami he managed to reach a 6th form.

Transformations
Ice Jin Form 1

Ice Jin Form 2

Ice Jin Form 3

Ice Jin Form 4

Ice Jin Form 5

Ice Jin Form 6

Fusions
Frieza + Cooler = Frigid