Interestingly, when Tenko was at the age of five he had his blue hair originally being dark black in color, as well as having gray eyes instead of red. He also had dried patches of skin around his eyes, though his lips were shown to be healthy in appearance. Tenko was shown to be relatively normal, even kind and compassionate. He held a great love for his family and a strong desire to become a hero someday. However, the constant abuse made him fragile psychologically.