Marcus
Fandom.com
Twilight Saga Character Guide
Marcus is one of the three leaders the Volturi coven. He 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 The loss of his wife forced him into a withdrawn, introverted state. He is only kept in the coven by Chelsea's power. In Life and Death, Marcus controls the Volturi with Athenodora and Sulpicia instead of Caius and Aro.