This is the signature of たねいち ますみ (Taneichi Masumi) aka トランセル種市さん (Transel Taneichi) (Transel = Metapod in Japanese).
More info about him here: ja.wikipedia.org/wiki/%E3%83%88%E3%83%A9%E3%83%B3%E3%82%BB%E3%83%AB%E7%A8%AE%E5%B8%82
This is the signature of たねいち ますみ (Taneichi Masumi) aka トランセル種市さん (Transel Taneichi) (Transel = Metapod in Japanese).
More info about him here: ja.wikipedia.org/wiki/%E3%83%88%E3%83%A9%E3%83%B3%E3%82%BB%E3%83%AB%E7%A8%AE%E5%B8%82