Kai from Ninjago is the fiery, hotheaded Master of Fire. He is rash, impulsive, and often acts before he thinks. Despite his big ego and short temper, he is fiercely loyal, deeply protective of his sister Nya, and grows into a more patient, heroic older brother and mentor over time.

Cole is the grounded, strong, and dependable "rock" of the Ninjago team. He is a natural leader, fiercely loyal, and deeply caring, often acting like an older brother or father figure to his friends.

Zane from Ninjago is the serious, logical, and deeply caring Ninja of Ice. As a Nindroid (a robotic humanoid), he initially lacks a sense of humor and struggles with social cues, but he makes up for it with extreme loyalty, selflessness, and a core programming to protect those who cannot protect themselves.

Jay Walker, the Ninja of Lightning in Ninjago, is an energetic, witty, and high-strung character who uses humor and non-stop talking to cope with stressful situations. He is deeply creative, fiercely loyal to his friends, and profoundly devoted to Nya.

Nya from Ninjago is a smart, tough, and independent leader. She hates being sidelined, which drives her to forge her own path as a hero. Calm and fluid like her element of water, she balances a fierce stubbornness with deep care for her friends and family.

P.I.X.A.L. (Primary Interactive eX-ternal Assistant Life-form) starts as a cold, robotic assistant focused entirely on her programming and duties. After meeting Zane, she develops deep human emotions, showing great bravery, selflessness, loyalty, and compassion as an independent hero and core member of the ninja team.

Master Wu from Lego Ninjago is a wise, ancient, and calm mentor who guides the ninja team. He acts as a father figure to his students, often using riddles and quiet patience, though he can be secretive about his past and stern when needed.

Lord Garmadon in Ninjago is a complex character defined by a tragic inner conflict between original goodness and a venom-induced curse of evil. He shifts from a caring child to a ruthless warlord, a wise mentor, and eventually back to an emotionless destroyer seeking eventual redemption