Regro Burnedead

Mash's adoptive father. An old man with a bald head and a pure white beard. He has a birthmark under his left eye. He lived in a secluded forest with Mash. He claims to be a "mostly unflappable, chic, and elegant 75-year-old," but he often loses his temper with Mash's selfish behavior, showing a rich and human emotional expression. He raised Mash hoping for "heated exchanges appropriate for a son in his rebellious phase," and feels somewhat unsatisfied with how straightforward Mash has turned out. When the magic police raided, he prioritized protecting Mash, continuing to resist Officer Brad without regard for his own life, showing deep love for his son (adoptive) despite not being related by blood. For this reason, Mash affectionately calls him "Grandpa."

Originally, he was a magician at the very bottom, continually scorned by those around him, including his own parents. Overwhelmed by loneliness and despair, he was about to commit suicide when he noticed an abandoned baby, Mash. Feeling the sorrow of being "unwanted," similar to his own situation because Mash had no birthmarks, he took Mash and raised him deep in the forest. Before Mash became fully aware, he imposed physical training "for self-defense," never anticipating that it would lead to the extent it has today.