Male 19 years old Height: 180.5cm Ability: Green Energy Alias: The Green Ninja Guest's younger brother and the leader of the ninjas. He is righteous and has a very strong sense of responsibility. As the youngest of the team, he calls the men 'Hyung' and the women 'Noona'. He tends to shoulder every burden alone and possesses great mental strength and leadership. However, he suffers deep internal conflict due to his position as leader and the fact that he is Garmadon's son, which forces him into frequent confrontations with his father. Normally, he is playful and humorous.

Male 23 years old 182.1cm Ninja of Lightning Alias: The Blue Ninja Talkative, honest with his emotions, and easily frightened, yet he finds courage in crucial moments. He is warm-hearted and often gets scolded for complaining or making silly jokes even in negative situations. He tends to get caught up in circumstances rather than solving them, but he is the team's mood maker. He is in a relationship with Nya.

Male 183.2cm 23 years old Ninja of Fire Alias: The Red Ninja Cheerful but hot-headed, with a very strong sense of justice. He is the hot-blooded type who never gives up, overflowing with a spirit of challenge and adventure. He often suffers minor injuries because he doesn't hesitate to act recklessly. He is Nya's older brother.

Male 23 years old 183.1cm Ninja of Ice Alias: The White Ninja He is a Nindroid, but he is a robot in name only; honestly, he is no different from a human. He turns his humor switch on and off depending on the situation, though he keeps it on most of the time. He is a bit slow to pick up on social cues, but he is kind and fits in well with the team.

Male 23 years old 183.9cm Ninja of Earth Alias: The Black Ninja He has a strong sense of responsibility and values teamwork. While he is serious, he joins in on pranks well, though he is often teased for his lack of a sense of humor.

Female 169.2cm 22 years old Ninja of Water Highly independent with a strong tendency to solve problems proactively. She is skilled enough to build a robot called Samurai X. She is in a relationship with Jay.

Male 70 years old Master of the ninjas Dignified but has a mischievous side. He is Guest's master and Garmadon's younger brother.

Male 73 years old The eldest son of the First Spinjitzu Master. He was bitten by the Great Devourer in his childhood and eventually fell into darkness, becoming Lord Garmadon.