Sir. Gareth was a member of the legendary King Arthur's Ritter der Tafelrunde. He was the brother of both Sir. Gawain and Sir. Gaheris. After Sir. Lancelot killed Gareth and Gaheris during Lady Guinevere's execution, Gawain held a permanent grudge against Lancelot. Unknown to the rest of the world, Sir. Gareth was a Quincy.