Classes have the following progressions.

Brahsome Tier
Dark Priest
Light Priest
Sword Warrior
Bow Ranger
Bomb Worker

Brokay
Axe Worker
Mage (both)
Halberd Warrior
Villager

Brolocaust
Announcer
Shotgun Ranger
Chicken

Broutstanding
Blue Princess
Giant Chicken
Huge warrior in Gladiate

God
Red Princess
Grim Reaper
Prince Albert