Kanimiso-P (カニミソP), or mathru, is the author of Gackpo's hit song "Dancing Samurai," and has received the title of "Legendary Gackpo Master" on niconico. He is known for creating songs that are catchy and produce a brainwashing effect.
"Kanimiso", his producer name, comes from a Miku song he made. He even creates ballads with nice melodies and simple lyrics. Kanimiso-P is also known for the terrible artwork that appears in some of his videos.
He also won in a Gackpo song producing contest with the song 'Episode.0.' He received the prize of ¥300,000, as well as the honor of having Gackt, Gackpo's voice provider, sing his song in an upcoming album.