Marimo-jisan
Supporting
Chafurin
Marimo-kun
Supporting
Nakayama, Sara
Maron-kun
Supporting
Mitsuishi, Kotono
Marron-kun
Supporting
unknown
Marshmallow-san
Supporting
Emori, Hiroko
Masuzushiman
Supporting
Tanaka, Mayumi
Mayonnaise-kun
Supporting
Yamada, Eiko
Medamayaki-kun
Supporting
Matsumoto, Rica
Meganezaru-kun
Supporting
unknown
Meironron
Supporting
Sasamoto, Yuuko
Kondou, Reiko