Noé Archiviste is one of the main characters in the anime and manga series "The Case Study of Vanitas" (Vanitas no Carte). He is a young vampire from a noble family and possesses the rare ability to see and communicate with the "Malnomen", supernatural creatures that bring about misfortune and disaster. Noé is a kind-hearted and curious individual who is eager to learn more about the world and the creatures that inhabit it.

His life takes an unexpected turn when he encounters the enigmatic Vanitas, a human who claims to be a doctor and holds a powerful book known as the "Book of Vanitas". The two form an unlikely alliance as they navigate a world where vampires and humans are in constant conflict, and Noé becomes embroiled in a conspiracy that threatens to upend the fragile balance between the two species.

Noé is a well-liked character in the series for his endearing personality, unique abilities, and loyalty to his friends. He is also an important player in the ongoing conflict, as his knowledge and abilities are sought after by both the vampire and human factions. The character of Noé has become a fan favorite and has contributed to the popularity of "The Case Study of Vanitas".