he announced himself as a Super-Shiva: the triad of Brahmā, Vishnu, and Shiva, Creator, Maintainer, and Destroyer, he at once contained and bodied forth.
Zimmer identifies Shiva as the figure who subsumes the entire cosmogonic triad — including the Destroyer function — within a single supreme principle, making destruction inseparable from creation and maintenance.
, Myths and Symbols in Indian Art and Civilization, 1946thesis