Sadyojāta, Vāmadeva, Aghora, Tatpurusa, Īsāna

Sadyojāta, Vāmadeva, Aghora, Tatpuruṣa, Īsāna
 West, North, South, East, North-East These are represented as the five faces of Shiva, and are associated in various texts with the five elements, the five senses, the five organs of perception, and the five organs of action http://en.wikipedia.org/wiki/Shiva
Isana faces North-east and represents the Ishwara aspect of Shiva known as Sadashiva or the Eternal Shiva.
Tatpurusha faces the east and represents the deluded purusha or ego aspect of Shiva.
Aghora faces south and represents the destructive and regenerative aspect of Shiva, that like fire, first devours life and then prepares the ground for its renewal.
Vamadeva faces north and represents the healer and preserver aspect of Shiva. Sadyojata faces west and represents the creative power of Shiva http://en.wikipedia.org/wiki/Sadyojata