Izaya Orihara is also a very engaging character. His manipulative nature and his ability to stir up trouble in Ikebukuro make him stand out. He has this complex personality where he seems to enjoy chaos and yet there is more to him than just that. He plays a major role in the events that unfold in Volume 2, constantly pulling the strings behind the scenes.
Celty Sturluson is really interesting. She's a Dullahan, a headless rider, and her search for her missing head while trying to fit into human society is a captivating story. Then there's Izaya Orihara. He's a complex character who loves to manipulate others for his own amusement.
Shinra is quite an interesting character. He has a unique perspective on the events and people around him. His relationship with Celty is also very engaging. Then there's Izaya, who is a master manipulator. His devious plans and his way of playing with people's emotions make him stand out. Celty, the headless rider, is also fascinating. Her search for her head and her adaptation to living in the human world are very captivating aspects of her character.
Mikado Ryugamine is quite fascinating. He starts as a seemingly ordinary high school student who gets drawn into the wild and dangerous world of Ikebukuro. His transformation throughout the story is something to watch. And Anri Sonohara is also interesting. She has a mysterious past and a connection to some of the more supernatural elements in the novel.
Celty is one of the most interesting characters. Her unique appearance as a Dullahan and her search for her missing head make her stand out. She also has a complex personality, being both fierce and kind.
I think Zenji Banba is quite interesting. He is an assassin with a laid - back attitude which makes him stand out. His skills as an assassin combined with his nonchalant personality create an interesting contrast.
Perhaps new characters introduced in volume 13 could be really interesting. They might have special abilities or motives that add new layers to the story. However, if we consider the existing characters, Albedo with her unwavering loyalty and complex feelings towards Ainz is also quite fascinating. Her actions and decisions often play an important role in the story.
In Tensura Volume 7 Light Novel, Rimuru is an obvious interesting character. He has to navigate complex political and social situations. Another interesting character could be a mysterious new arrival who has powers or motives that are not immediately clear. And the characters who represent different species in Rimuru's territory are interesting too as they each have their own cultures and ways of thinking which interact with Rimuru's vision for his nation.
Astolfo is also quite fascinating. With his flamboyant personality and unique set of abilities, he stands out. He often brings a sense of unpredictability to the story. His loyalty to his side but also his ability to befriend those on the other side make him a complex and engaging character. There's also Jeanne, whose role as a Ruler and her struggle to maintain balance in the war is really interesting.
Ayanokoji Kiyotaka is quite interesting. He is a very intelligent and mysterious character who often operates behind the scenes to achieve his goals.
The main characters in the Durarara light novel include Celty, whose headless form and search for her head drive much of the supernatural aspect of the story. Mikado Ryugamine, a naive yet curious boy who becomes enmeshed in the city's underworld. Izaya Orihara, who loves to stir up trouble and has a deep understanding of human nature which he uses to his advantage. And Shizuo Heiwajima, a powerful and volatile character whose anger often leads to explosive situations. There are also other characters like Anri Sonohara who are important to the overall story.