One of the candidates to be the princesses of the Magic Kingdom and Nina's childhood friend, Maya has a pet chameleon named Lulu. At the beginning of the story, Maya had a strong rivalry with Nina but in episode 26, the rivalry ends. Maya has a crush on the prince, who loved her since the time from their childhood when they danced together and she saved him, and later marries him to become princess of the Magic Kingdom. She does not appear in the manga, but in the epilogue chapter she is mentioned as the roommate of Nina in Eltoria.
In 1700, William III commissioned the trapezoidal labyrinth which remains the largest and most famous of its kind in England.
Captain of Division 2 of SV.2. He seems quite laid back and very nice but is an extremely capable officer. He has a razor sharp perception and is highly subtle and manipulative. It was rumored that because of this, the top officials in the police force assigned him to SV.2 for fear he might ruffle too many feathers. Despite that and his general attitude, Goto is on top of most events long before most others are aware of what's going on. (Source: Wikipedia)
Chiaki's cousin, more specifically, his mother's brother's daughter. She visits France, hangs with Chiaki and goes on a date with Lucas, even though they don't understand each other.
Leader of Division 1. She is highly regarded by everyone in the police force and has a solid relationship with all of her coworkers. This is especially true of her relationship with Goto, which is difficult to sum up but can be described as interesting. Nagumo is a by-the-book style captain, as opposed to Goto who will often do many unconventional things to meet a goal. Despite her conventional mentality, she is always there to lend a hand when Division 2 needs it. (Source: Wikipedia)
Section 2 Mechanics: Second in command to Sakaki, and eventually replaces him when he retires. A total gearhead, he loves his job--probably a little too much, as he can be very hard to relax when he gets fired up. Shige is good friends with Asuma Shinohara. He's an authority on Labors and also has a license for underwater construction Labors. (Source: Wikipedia)
Section 2 Division 2 Team 1: Son of the head of Shinohara Heavy Industries, the company that makes 90% of the labors in the world. After a falling out with his father, Asuma joined the police force and specifically requested to be assigned to the labor units. Smart, honest to a fault, and sometimes a bit hot-headed, Asuma is a very good officer, although he's often used by Goto as a lackey. Noa and Hiromi's commanding officer in the field, he has a soft spot for the former. Goto recognizes Asuma has some talent in diverse fields, as can be seen in various places throughout the series. (Source: Wikipedia)