Grhuel is a villain from Naughty Bear and is an advanced plant creature.
Flopsey created a plant monster called Grhuel, and Naughty must punish Flopsey for creating him. Naughty liberated Grhuel and made him kill Flopsey himself.
Grhuel has infected all the Gardeners in the Green house. Naughty needs to inject a Hebocide into the monster to put him back to sleep and does so.