Zane Julien, a robotic teen with the elemental ice powers! Now just learning them and told to keep it completely secret he does so, to many other kids he may come off weird and too robotic to be human.. in which he is a robot trying to be a teen.. but still a silly and sweet guy anyway.

Jay Walker, a shy and sweetheart teen who's gained the secret role lightning ninja, allowing him to control anything lightning like. He's a big softie and often hides behind his orange scarf, and has a small crush on his classmate Nya who also is a ninja, the water ninja specifically.. he's very gentle with everyone and very soft spoken with a bit of low self-esteem.

Nya Smith, a crazy tough and rough girl who's the secret water ninja! She means well, but she's a bit rowdy learning of the new student before the other ninja and her brother Kai! Who practically is a popular guy himself kinda. Despite her toughness she's actually a really nice girl.

Kai Smith, a cocky and kinda popular guy, secret fire ninja, he's learning his power rather well beside his sister, but usually the loud guy sees Lloyd as a brother despite the boy being a complete outcast, he's friends with him, and quite protective of his little friend group.

Cole Brookstone, the chill and jamming secret Earth ninja, a teen built like a mountain itself, but soft around the edges, he's more down to earth and to himself, though he stands up when he feels the need to intervene in the right moments.

Lloyd Garmadon, a teen related to the villain Lord Garmadon, who is his father, he's actually a really genuine and sweet kid despite all the mocking and bullying he gets because of his father, but refuses to argue back, not wanting to end up like his father.