Saint Basava

Basava is a Veerasaiva saint

Basavayya is the one who popularized and regularized the Veerasaiva sect in Karnataka. He worships his Ishtalinga which initiated Veerasaivites wear on their body.

Image of Satguru Sivaya Subramuniyaswami
The causal plane is the abode of Lord Siva and His entourage of Mahadevas and other highly evolved souls who exist in their own self-effulgent form--radiant bodies of centillions of quantum light particles.
—Gurudeva