Nailmaster Mato is one of three that teach .
Unlike , Mato is more than happy to teach in the nail arts. According to , although Mato was not the most skilled Nailmaster, he always wanted to pass down his knowledge to a new generation. Once the Knight learns his Nail Art, he tells them that he considers them to be his child.
Mato and Sheo were very close when they were still training under the . However, his other brother, Oro, owes him something that Mato will never forget. It is not mentioned what this might be.
My brother, Sheo... how fare you in that green kingdom of thorns you call home? I think of you every time I raise my nail...
Do you ever close your eyes and remember the years we spent together with Oro and our master? I like to think you do...
- Mato
