The Book of ThreeLloyd AlexanderThe Chronicles of Prydain, book 1

Characters in The Book of Three

4 characters, main characters first.

Main characters

Taran
Also in The Black Cauldron, The Castle of Llyr, Taran Wanderer, The High King, The Foundling and Other Tales of Prydain

Antagonists

Horn King

Supporting characters

Hen Wen