Yamma (ヤンマ)
Age: 11 Always trying to catch up with the younger Mattsu. He usually lacks confidence, but can be depended upon when it comes to the crunch. (Source: Official Site)
Animeography
Mattsu to Yanma to Moburi-san: Nanatsu no Hihou to Soratobu Oshiro
Mattsu to Yanma to Moburi-san 2: Suigun Otakara to Nazotoki no Shimajima
Mangaography
Voice Actors
Mayuko Kouchi
Japanese