Here are the characters bios (from left to right)

Shekarah: Shekarah is a transgender Geosesarma (which is a type of crab) and goes by they/ them. They’re the bassist of the band. Shekarah’s hair sorta resembles a crab (on the top?) for some reason but that’s how they like to style their hair. They are 19 years of age and is the oldest member of the band. Outside of the band, they post art inspired by some songs (some being inspired by the band they are in) . They wear grey pants and a dark blue shirt but changes clothes sometimes. They have a chilled out personality and isn’t prone to snapping much (unless they are getting really annoyed and stressed out which is uncommon)

Kyochi: Kyochi is a male sea urchin who goes by he/him. He is the drummer of the band (similar to murasaki from squid squad?). He wears a military mesh suit (because he looked quite interested in it) but changes clothes sometimes (And the military mesh suit goes well with his colouration). he is 18 years of age (a year younger that Shekarah and two years older than Erakcha.) he has a quite strong personality and is really quite brave. Outside of the band, he practices playing the drums on live streams.