Nope, Orkey is Malacath:
"...and he won, and Orkey's folk, the Orcs, were ruined." -Five Songs of King Wulfharth
No...
Mauloch (Malacath): An Orcish god, Mauloch troubled the heirs of King Harald for a long time. Fled east after his defeat at the Battle of Dragon Wall, ca. 1E660. His rage was said to fill the sky with his sulphurous hatred, later called the "Year of Winter in Summer". - Varieties of Faith
They follow no laws, save their own, an unwritten set of rules called "The Code of Malacath," named after one of their gods, who is sometimes called Mauloch. - Code of Malacath
Traditionally, the Orcs have worshipped the Daedra Malacath (Mauloch) as their patron deity. - Orsinium, Third Pocket Guide