Vladamir Propp

Vladimir Propp Theory 
He concluded that all characters could be resolved into 8 broad character types in the 100 tales he analysed.

The Villain 
Struggles against the hero.

The Dispatcher
Character who makes the lack known and send the hero off

The (Magical) Helper 
Helps the hero in the quest

The Princess or Prize
The hero deserves her throughout the story but is unable to marry her because of an unfair evil , usually because of the villain, the hero's journey is often ended with the princess , thereby defeating the villain

Her Father 
Gives the task of the hero, identifies the false hero, married the hero , often sought for during the narrative. Propp noted that functionally , the princess and father can not be distinguished. 

The Donor
Prepares the hero or gives the hero some magical object.

The Hero or Victim/Seeker Hero
Reacts to the donor marries the princess.

False Hero
Takes credit for the hero's actions or tries to marry the princess.