Family
Bella is going to Forks to live with her dad (Charlie).
The Black's: Billy and Jacob.
The Cullen's: Edward, Rosalie, Emmet, Jasper, Alice, Carlisle and Esme.
The vampires
The Cullen's are vampires.
The hunter James wants to kill Bella.
Cold ones, light skin, strong, fast and drink blood.
Friends
Taylor who almost accidentally kills Bella with his car and tries to make up for that.
Jacob Black is kind of a friend of Bella.
Jessica and Angela are Bella's friends. Mike who has a crush on Bella but also likes Jessica.
The werewolves
They are very protective about Bella.
Strong, humans who change into wolves and fast.
Jacob Black and his family are wolves.
Twilight