Just like puffer fish...

Custom POPs 014 [Custom] <final> #004 モチモン @ Mochimon [Digimon] {2017}

... it is called Mochimon (or Motimon) from inflating its body when it gets worked up, causing it to look like mochi. Isn't that interesting? Inspiration can come from unexpected places ...

~

Thank you for your time and please do come back for more. Assalamualaikum and good bye! :-)