Asami is Aang's older sister and the Avatar's Protector. She was proud and honored to be the Protector, but being the Protector meant making a few sacrifices. Refusing to make them, Asami run away with Aang and got frozen with him in the ice. After waking up, Asami knew her duty as Protector was beginning, especially when a banished prince showed up.

Izzy is the Easter Bunny's daughter, but losing her mother, she lives in New York with her uncle, Bradford. On her birthday, she gets kidnapped by the kraang and experimented on. From the help of Manny, she becomes a power mutant, and finds out she has a mutant twin brother. After finding her brother, she later on meets Jack Frost. Who's her brother, will she and Jack fall in love?