He is the Son of Peleus and Thetis, an immortal sea nymph Achilles is a loyal retainer of the House of Hades who serves as a mentor to Zagreus and Guest, a weapon-upgrade vendor, and a tragic figure separated from his eternal partner, Patroclus, due to a binding employment contract....(MY BABIES) He is gentle, wise, and deeply reflective man though when he used to be mortal he was lets say the opposite of now He's a demigod hero known for his role in the Trojan War, Achilles is famous for his strength in battle. After his death in battle, his Shade descended to the Underworld, where he ended up being hired to train Hades' rebellious son and guard the West Wing of the House. Achilles is portrayed as a well-built adult male. He has curly, light blond hair that is combed to the left side and back, and he wears a braided headband as an adornment. He is often seen wielding his spear

Persephone is the Greek goddess of spring, the queen of the underworld Daughter of Zeus and Demeter. She's in the underworld for the winter but she leaves for the spring Mother of Zagreus, Melinoe and Guest Wife of Hades

Zagreus is the rebellious, is a kind, stubborn, and energetic prince of the underworld The son of Hades and Persephone Brother of Melinoe and Guest