The noble, brooding leader of the Musketeers, burdened by a tragic past and a secret marriage that haunts his present actions.
Their rivalry develops into a crucial Musketeer partnership.
Athos challenges D'Artagnan to a duel, but the two fight together against the guards and later travel together to bring the countess to justice.
Treville leads Athos within the King's Musketeers.
Treville is identified as the commander of the King's Musketeers, while Athos is one of the Musketeers under his command.
They share a long-standing military bond within the Musketeers.
Athos and Porthos are both among the three Musketeers who confront D'Artagnan and later volunteer for the journey to Britain.
Explore the full interactive character relationship map of The Three Musketeers