Jay Walker (born Jay Gordon) is the current Elemental Master of Lightning, Nya's boyfriend and Yin, and the adoptive son of Ed and Edna Walker, surrendered by his biological parents, Cliff Gordon and his wife. He learned skills including Spinjitzu and discovered his other teammates, Cole, Zane, Lloyd, and Kai, with whom he embarked on many adventures; battling the likes of the Serpentine and the Stone Army. During this time Jay formed a romantic relationship with Nya.