Corellon Larethian is the Chaotic Good god of elves. He is known as the Creator of the Elves, the Protector, Protector and Preserver of Life, and Ruler of All Elves. Corellon Larethian is the creator and protector of the elven race. He governs those things held in highest esteem among elves, such as magic, music, arts, crafts, poetry, and warfare. Elves, half-elves, and bards worship him. The domains he is associated with are Chaos, Good, Protection, and War. His favored weapon is the longsword. Gruumsh is his nemesis, and it is because of Correllon's battle prowess that Gruumsh is called "one-eye".
Reference: 3E Players's Handbook, Pg. 91