In the works of J. R. R. Tolkien
was a Maia
associated with Ulmo
. A spirit of the sea in the service of Ulmo
, he guarded the waters around Middle-earth
was his wife, and he was a friend of Cķrdan
Ossė was a friend of the Sindar, and was valued as high as the Valar by them.
In older versions of The Silmarillion, Ossė was a Vala in his own right, and often opposed the will of Ulmo.