Typhon

Typhon was a titanic, god-like dragon that once roamed the world of Ilensia during the Age of Chaos. Though Typhon is his true name, he was granted many names by the denizens of the material plane. The Elves called him Ilu'Muthan, The Humans referred to him as Chaos, and the Dwarves named him Jormathuun.

The ancient hero that had slain Typhon was blessed by Bahamut who had revealed the dragon's true name and relation to both of the dragon gods.