Who are te characters in the cirque du freak allies of the night?

In "Allies of the Night," the fourth book in the "Cirque du Freak" series by Darren Shan, key characters include Darren Shan, the young vampire protagonist; Mr. Crepsley, his mentor and a vampire; and the enigmatic figure of Mr. Tiny, who plays a significant role in the unfolding events. Other important characters include the Vampire Clan members and the werewolves, particularly the character of Kurda Sanguine, who becomes pivotal in the story's conflict. The relationships and alliances among these characters drive the narrative forward as they navigate the challenges posed by their supernatural world.