Nya

Nya is the sister of Kai. She has a crush on Jay.

Background
Nya is Kai's sister and helped Kai run his Blacksmith shop, named Four Weapons Blacksmith. Her wish is to join the Ninja. Her name means "Meow" in Japanese. Nya is also allergic to Perfume, As in episode Once Bitten, Twice Shy Jay tries to impress Nya but she was allergic to the perfume. Later on, they get married much to Jay's happiness.

Appearance
Nya has red clothes and black hair. Her favorite color is blue. She is the sister of Kai. She is not a ninja, but she does know some moves with several weapons. Jay has feelings for Nya and she returns those feelings.

She is also Samurai X in the 2012 storyline.

Personality
Although she is not a ninja, she is capable of defending herself. She doesn't like the fact that its always a boys club so she resolved to become a hero her own way, which she did by becoming Samurai X. She gets along well with Kai, and the other ninjas. Many episodes reveal she is smart, because she was able to create Samurai armour and technology, and she was able to pinpoint the location of serpentine tombs. It appears, that Nya is unaware of Jay's crush on her, although this was never proven until Once Bitten, Twice Shy when she kisses him. Her favorite color is blue.

Weapons
Nya has dual daggers and a long staff, and as Samurai X she has many different gadgets as well as her Exo-suit.

LEGO.com Bio
"Nya is the sister of Kai (the Ninja of Fire), and she doesn't understand why her brother gets to have all the fun. That's why, even though she's not a ninja, Nya is ready to fight. She has two fiery daggers... and she knows how to use them."