Bellowfish is one of the few double-element Ethereals in the My Singing Monsters universe. Bellowfish considers himself to be a fan of the show Breaking Bad, and most monsters can agree. He thinks it's a good show and it's worth watching. Bellowfish, being a monster, plays the accordion using his arms. Like... the accordions are his arms. Anyway, Bellowfish also has a gem inside which is visible from the outside. It's unknown whether it is kept for sentimental value or it keeps Bellowfish alive.