Suki is Sokka's second main love interest in the show Avatar: The Last Airbender.
Suki was the eldest member and the leader of the all-female Kyoshi Warriors of the Earth Kingdom's Kyoshi Island. When Team Avatar arrived on Kyoshi Island, Suki and a few other Kyoshi Warriors captured them, thinking they were Fire Nation spies. Later, after realizing Aang was the Avatar, they released and befriended them, with Suki in particular forming a bond with Sokka.
Later, she becomes Sokka's official girlfriend and joins Team Avatar before the final battle.