Fingolfin, Supreme King of the Noldor in Beleriand, riding to Angband.
"Now news came to Hithlum that Dorthonion was lost and the sons
of Finarfin overthrown, and that the sons of Fëanor were driven from their
lands. Then Fingolfin beheld (as it seemed to him) the utter ruin of the
Noldor, and the defeat beyond redress of all their houses; and filled with
wrath and despair he mounted upon Rochallor his great horse and rode
forth alone, and none might restrain him. He passed over Dor-nu-Fauglith
like a wind amid the dust, and all that beheld his onset fled in amaze,
thinking that Oromë himself was come: for a great madness of rage was
upon him (...)"
^As written by Tolkien in 'The Silmarillion'. I prefer the spanish version for sure.
PS: His name in Quenya was Nolofinwë, or 'wise Finwë', and that's the writing in the upper left corner of the pic.