Dremly

Dremly is a Sound type jellymon with no evolutions. however it is actually one of the good jellymons in the game, It's used to absorb damage while debuffing your enemy. Dremly cannot attack however (iirc) but he has some moves that deals damage, like venom, etc. overall dremly is a very versatile jellymon to be on your team.

How to use dremly
for dremly, you literally just use any move to debuff your opponent. (paralyze, sleep, poison, etc)