Grimbeorn
From Tolkien Gateway
The son of Beorn, who became a great lord in his own right. Like his father, he could take on the shape of a bear, and he dwelt in the same regions of the Vales of Anduin.
The son of Beorn, who became a great lord in his own right. Like his father, he could take on the shape of a bear, and he dwelt in the same regions of the Vales of Anduin.