I put lego ninjago themed games in this studio not different themed games and you can only add 12 or less.
About all ninjas.
Zane is a ninjroid and master of ice.
Zane is in love with P.I.X.E.L. and she is a ninjroid too.
Kai is master of fire.
Lord Garmadon is older brother of Wu.
Wu is Garmadon's younger brother and Wu is the 5 ninjas sensei
Jay is master of lightning.
Cole is master of earth and scared of dragons.