Alec is a vampire, and a member of the Volturi guard, serving as one of the highest ranked guards. He has a twin sister named Jane, who's also a high ranking member of the guard.

Marcus is one of the three vampires who lead the Volturi coven and possesses the gift of relationship identification, allowing him to see the emotional ties between individuals. He was the husband of Didyme until her death. The loss of his wife forced him into a withdrawn, introverted state.

Aro is one of the three leaders of the Volturi - the leader coven of the vampire world. He is widely accepted as the overall leader of the Volturi, and possesses the gift of tactile telepathy, the supernatural talent to read all the thoughts and memories a person has ever had with a single touch. He is the husband of Sulpicia and the brother of Didyme. He uses Chelsea to change the loyalties of the vampires whom he wants to join the Volturi.

Caius is a vampire, one of the three ancient leaders of the Volturi, who are based in Volterra, Italy, and who, according to Edward Cullen, lead a very civilized lifestyle. Caius has a wife named Athenodora, who lives a very retired life in Volterra. He is the most ruthless of all three leaders.

Victoria was a nomadic vampire member of James's coven with the power of enhanced self-preservation. She was his mate and started a vendetta against Bella Swan in revenge for James' death at Edward Cullen and the Cullens' hands. To this end, she spearheaded several plots to end Bella's life, including creating a newborn army in Seattle, with the express purpose of killing her and destroying the Olympic Coven. However, at the conclusion of the newborn crisis in Seattle, Victoria's life of violence and malice was ended by Edward in the battle with the newborn army.

Bree Tanner was a newborn vampire created by Victoria in order to fight the Cullen family in her army of newborn vampires. Despite her act of surrendering and showing adequate control of herself, she was cruelly executed by Felix of the Volturi on Jane's orders.