A young, skilled fencer who travels to Paris to join the King's musketeers after his father's murder. He allies with Athos, Porthos, and Aramis against Cardinal's guards, discovers Richelieu's conspiracy, and aids in intercepting Milady de Winter's mission. He survives an assassination attempt, duels Rochefort, learns the captain killed his father, and ultimately kills him with Constance's help. His bravery earns him reinstatement as an official musketeer.
Athos becomes D'Artagnan's senior combat ally and eventual comrade.
D'Artagnan joins Athos during the fight against the Cardinal's Guards, and they later work together to intercept Milady's mission.
Porthos supports D'Artagnan in both the conspiracy and final battles.
Porthos fights beside D'Artagnan against the Cardinal's forces and later pursues Richelieu with Athos.
Aramis is one of D'Artagnan's principal musketeer allies.
Aramis fights with D'Artagnan against the Cardinal's Guards and participates in the final defense of the royal family.
The musketeer division represents D'Artagnan's desired profession and eventual status.
D'Artagnan travels to Paris hoping to become a musketeer and is later offered service as one by the king.
Their rivalry links personal vengeance with the broader political conflict.
D'Artagnan outduels Rochefort during the first arrest attempt and later kills him after Rochefort admits killing D'Artagnan's father.
D'Artagnan becomes a direct threat to Richelieu's conspiracy.
D'Artagnan discovers Richelieu's plan to supplant the king and helps the musketeers expose it.
Their encounter moves from deception to an attempted murder.
Milady finds D'Artagnan exhausted, attempts to seduce him, and then tries to kill him after learning of his plans.
Explore the full interactive character relationship map of The Three Musketeers
Related entry on Wikidata (Q12306805), public domain (CC0).