Pip Bernadotte; a shallow, perverted and chainsmoking French mercenary. He and his squad The Wild Geese are hired by Hellsing after Hellsing lost its own troops in the Valentine attack. Bernadotte is a well experienced soldier, and fares surprisingly well against the undead he is put against. Later in the series, he develops romantic feelings for Seras Victoria.
One of the members of "Angel" and a former Jinki pilot. He is the only son of Ogawara Genta and is rash and short-tempered. His loyalty to his family and friends however, is second to none. When Genta was slain by Kokushou, Ryouhei vowed to avenge his father, and as seen in the J:E arcs, he would be traveling around searching for a "Katana user". During J:E, he would replace Genta as the leader of "Angel". During the Lost Years arc, Ryouhei would pilot the Moribito Type-0 in search of his father's slayer. In the manga, he and Aoba Tsuzaki are childhood friends from many years earlier, while in the anime they apparently are not. It is also notable that while in the anime Ryouhei seemed to play only a support role, in the manga he plays a much larger role in the story. (Source: Wikipedia)
Noriko Nakajima is the sweet, cute, and possibly most "normal" girl in class 5-3 compared to some of her classmates. Unlike the others, Noriko never tries to look for trouble, but trouble constantly does seem to find her. Originally a "background character" early on (mostly found alongside her best friend Shizuka), "Noro-chan" slowly becomes one of the more prominent members of the class and a consistent target for spiritual activity. Miki in particular has a beef against her: With her cute face, shoulder-length pink hair and the second-largest bust in the class, the buxom blonde always gets upset whenever Noriko steals the spotlight away from her (consistently saying Noro-chan no kuse ni!!, or "That Noro-chan!") While she does seem docile and quiet, Noriko does occasionally unleash a wilder and more playful side (but it takes certain youkai phenomenon to do so). She's also known as a bookworm and a rather clever tactician; once she was the key to resolving a very creepy case that involved the ghost of the school library and a series of kidnappings related to the ghost's favorite book, which incidentally was the same as Noriko's. (Source: Wikipedia)
Otoya's secretary. She's strict but shy by nature and is always having a problem with Otoya calling her by her given name, which she was emabarassed to be heard by others. She's also one of the few ordinary persons in the series. Source: Wikipedia