Munch:

Mature, kindhearted, a little apprehensive towards new people and places. He can be sassy and easily triggered, though. He's used to living in the sea, never leaving, so he's not used to land and new species.

Abe:

Clumsy, kindhearted, impulsive. He's easily pushed around but he's determined to do his best, always. Hard to get mad, but when he's mad, he's mad.

Sligs:

Dumb, impulsive, forgetful, violent.

Glukkons:

Greedy, dumb, controlling, hotheaded.

Mudokins:

Easily pushed around, excitable, independant (not really social).