( here are the element Masters even though they are from different dimensions they disguise themselves as teachers to check on their study to at school to make sure nothing bad happen like a sensei checking on gakusei means students)

Yang&yin james sensei: from the dark realm they trained james anything about karate and the power of the Shadow or Darkness Spells and techniques for battling bad guys teacher name are mr Suzuki

Elsa the princess of the ice kingdom Kirsten sensei: she teaches her ice strategies and spells to sneak attack a villain or freeze when they're not looking when comes to a teacher miss Tanaka

Chains the knight of the thunder kingdom Elliot sensei: he often helping him how to train with armor or different kinds of strategy with his weapon so when it come to teacher in human form mr.azumane

Lady weather the fairy knight of the fairy Realm Claire sensi: she teaches her about fairy history how control turn into a fairy to go into small places or spells in human form she calls herself Miss farewell

Flash the hero of a different dimension called grant chase is Nick sensei: teaches him about different ways to pass difficult obstacle without hurting himself or trying to think fast to pass the guards when not looking earth name comes to the human world mr Griffin

Atsushi kinugawa the prince of the animals living around that humans and animal people working together wesley sensei: he teaches him about turning two different animals to the simplest or the typical situations in the Battlefield even in his realm he is a wolf but in human world he turns into a human as a disguise and named Mister zao

Mizu the fire demon queen nikki sensei: she teaches her about different form of fire and make sure she doesn't accidentally burned the town or them and different kinds fire spells human form hide demon form just a normal lady with her demon symbol name mrs blackwood

(I hope you enjoy it everyone)