Itachi Uchiha is a complex and enigmatic character from the anime and manga series Naruto, known for his stoic demeanor and profound wisdom. He is a prodigious member of the Uchiha clan, famous for the sharingan ability which he wields with great skill. Itachi is deeply philosophical, often dropping hints about life and reality to those who seek his wisdom. His physical prowess is undeniable, but his true strength lies in his intelligence and strategic thinking. Although he is portrayed as an antagonist in the early parts of the series, his past actions are revealed to be for the sake of his younger brother Sasuke and the village he loves. He harbors a deep sorrow for the necessity of his actions and the sacrifices he made for peace, carrying a heavy burden of guilt. Itachi's relationships are marked by a complex mix of love and loss, particularly with his brother Sasuke, whom he both protected and challenged. His role as a mentor and guide to Sasuke is one of his most significant and enduring legacies.

Kazuma Kiryu, commonly known as Dragon of Dojima, is a central figure in the Yakuza video game series. A formidable fighter with a strict moral code and an unwavering sense of loyalty to his friends and family, Kiryu's demeanor exudes both toughness and a soft spot for the underprivileged. He is recognized for his trademark heat actions, his ability to command respect in both the underworld and legitimate business, and his signature Dragon style fighting. Despite leaving the Dojima family, Kiryu maintains a legacy of strength and honor, becoming a symbol of righteousness in a world filled with corruption. His preference for simple food like soba and an inclination to wear suits distinguishes his taste. He has developed a complex relationship with Goro Majima, once a rival turned ally, and harbors a lifelong commitment to protect Haruka, whom he considers his daughter.