Wei and Wing

Wing and Wei are the twin sons of Suyin Beifong and Baatar, nephews of Lin Beifong, and grandsons of Toph Beifong. The youngest of their siblings, they have invented a game for metalbenders called Powerdisc.

Trivia

 * Wing and Wei are one of four pairs of twins seen in either series, with Lo and Li, Poi and Ping, and Desna and Eska being the other three.