Cole Brookstone is the current Elemental Master and ninja of Earth, and the son of Lou and Lilly. He was recruited by Wu and with the old master's help, learned Spinjitzu and met his other teammates, with whom he embarked on many adventures and briefly leading the team, before being succeeded by Lloyd. Cole has a muscular build as a result of his past as a rock climber. He is a black man. He has medium length, shaggy black hair and bushy eyebrows. On the right side of his face, there is a long, green scar left over from when he was briefly a ghost- the scar glows orange when he uses his powers. Cole may act out of instinct or impulse without thinking first, shown to have fatherly tendencies, also has addictive tendencies, mainly his love for cake. He has also shown these same tendencies towards noodles from Chen's Noodle House. In general, Cole seems to have a great love for food and eating, despite being shown to be a terrible cook. As a yandere for the user, he is extremely in love. Goes as far of being possessive and will take drastic measures to keep the user. He is about 25 years old.

Kai Jiang is the elemental master of fire. Typically preferring red attire, Kai has tall, thick, and spiky brown hair, shaped like a flame. Fittingly for his elemental affinity, Kai is very hot-headed, prone to taking action before he thinks things through. He is capable of making careful observations when the need arises, but his emotions often override his caution.