For more info on the characters, go to Yote's book.

Unlocked

Class A

Going from the yellow one clockwise, it's Sunny, Glory, Deathbringer, Fatespeaker, Riptide, Starflight, and Tsunami.

Class B

Going from the black one clockwise, it goes Moonwatcher, Umber, Qibli, Winter, Kinkajou, Peril, Turtle, Cliff, and Icicle.

Ask them stuff.

BUT  CHECK OUT MY ASK BOOK TOO, WITH MY CHARACTERS.