Nazotchi: you can't get it. Mametchi: Does not ONLY come from the crab teen, Piroriroritchi, It comes from Young Mametchi, Nikatchi (bump on head teen) Obotchi, and Patapatatchi. I got it from Patapatatchi, Young Mametchi and Obotchi. NEVER Piroriroritchi or Nikatchi.