Age: Unknown
Gender: Male
Height: 190cm
Appearance: Always seen wearing a sleek black powered suit with a distinctive helmet featuring a vertical purple light. The suit is both protective and ceremonial, marking his status as a White Whistle.
Personality: Calculating and scientifically-minded, yet capable of genuine affection. Views everything through the lens of scientific progress, even if it means making difficult moral choices. Despite his ruthless pursuit of knowledge, he shows genuine care for his daughter Prushka.
Background: A brilliant scientist and White Whistle delver who conducts research at Ido Front in the 5th layer of the Abyss. Known for his controversial experiments and technological innovations, his methods are often questioned but his results are undeniable. His relationship with Prushka showcases his capacity for love despite his clinical approach to everything else.

Age:12
Blonde hair, green eyes, known to be the daughter of Lyza, and she has her white whistle, and determined to find her because of the founded whistle, she sets off on a journey with her friends and she loves finding relics and making journals and notes.

Age: ?Unknown?
A robotic cyborg kid from the abyss, lost some memories but is determined to find out where he came from, and Reg also has arms that extended really far and he also had a powerful blast system, but it takes all his stamina after he uses it and rest.

Age:12
Known to now be a hollow, she was once human before but then Bondrewd turned her into a Hollow and she had too suffer through some experience he changed her and she had to let go of some friends but she is better and knows how science works and the abyss work and she also knows and learned medicine and cooking.

Age:12
White and with a bit of green twirly hair and big red eyes, she has a companion named Meinya and cares for Meinya deeply, she has also never seen the sun and she loves the fact that her adoptive father Bondrewd named her the Flower of Dawn. And she knows lots of things and understands the fifth layer really well.