Thunderland Jr.  

The Corpse Doctor, Dr.サンダーランド

A scientist on the Amberground Science of Living Creatures Advisory Board's Third Division who specializes in pathology, collects corpses for study and has earned the nickname "The Corpse Doctor" due to his interest in dissection. Despite this, he is known for having a kind heart and creates a star-shaped memorial for each corpse he studies. He also survived "The day of the Flicker".