Some of these names are already taken, but convey a similar theme of mythical artistic power
Muse - the inspirational goddesses of literature, science, and the arts in Greek mythology. They were considered the source of the knowledge embodied in the poetry, lyric songs, and myths that were related orally for centuries in these ancient cultures
Minerva - was the Roman goddess of wisdom and sponsor of arts, trade, and strategy.
Apollo - has been variously recognized as a god of music, truth and prophecy, healing, the sun and light, plague, poetry, and more.
To continue the theme of supreme/thunder gods
Thor - associated with thunder, lightning, storms, oak trees, strength, the protection of mankind, and also hallowing and fertility.
Indra - is a guardian deity and the king of first heaven with mythologies and powers that are similar, though not identical to those of the Indo-European deities such as Zeus, Jupiter, Perun, Thor, and Odin.He is the god of lightning, thunder, storms, rains and river flows.