Interesting fact:

The Swords of Justice Pokémon (Cobalion, Terrakion, Virizion and Keldeo) are based on The Three Musketeers. Cobalion is Athos, the leader of the group, Terrakion is Porthos, the strongest, heaviest, and largest of the group, Virizion is Aramis, the most vain and romantic member, and Keldeo represents d'Artagnan, the youngest and the latest addition to the group.