Whale Grimm

The Whale Grimm (unofficial) is a massive, whale-like Creature of Grimm. Only one of these Grimm has appeared so far, in the Volume 7 finale "The Enemy of Trust" as Salem's mount as she leads an army of Grimm into Atlas.

Appearance
The Whale Grimm is the largest Grimm so far, surpassing even the Wyvern and Leviathan. It has a gargantuan, round black body with a golden glow emanating from within, red fins, and a jagged purple dorsal fin. It also appears to have dozens of massive, sharp teeth lining its mouth.

History
Like other Grimm, the Whale Grimm was created by the God of Darkness in an attempt to rid the world of life, and remained even after he and the God of Light abandoned Remnant. Salem later took control of the Grimm after her corruption.

When Salem reveals that she is coming to Atlas herself with an army of Grimm, Team RWBY and their allies prepare for her arrival. However, none were prepared for the army she brought, full of Nevermore and Sphinxes. Leading the charge is Salem herself, riding atop the massive Grimm for all Atlas to witness.