Treeant

They're tiny. At least by monster standards. In a rare case, you might find a Treeant as long as your forearm, but this little guy does have a rather nasty habit of traveling in groups. Of thousands. Their bite has a poisonous sting to it, so be careful of angering these bitey little buggers. Through grand amounts of training, a Treeant might evolve to it's next stage - but this is an honor usually reserved for the strongest and bravest of the bunch. It takes years for most to reach the level of 'guardian ent'.

...On the plus side, I made a pun. XD

Art: Henrie!
Treeant's Creator: Henrie again? Gasp!
Monster MMORPG: monstermmorpg.com