Who was Aeneas's faithful companion that followed him into Carthage?

Aeneas's faithful companion who followed him into Carthage was Achates. He is portrayed as a loyal friend and confidant throughout Aeneas's journey, underscoring the themes of camaraderie and loyalty that are prevalent in Virgil's "Aeneid." Achates plays a significant role in supporting Aeneas, especially during the crucial moments in Carthage when Aeneas meets Dido, the queen of the city. His presence serves to highlight Aeneas's human connections and the importance of friendship as they navigate the challenges of their journey. Achates’s loyalty and bravery are emblematic of the virtues that are celebrated in epic narratives, making him an integral character alongside Aeneas.