The Moss Monster is an Antagonist creature in the episode the Shaggy Frog (a parody of The Shaggy Dog). In this Show, a Moss Monster was covered in moss, lilepads, ferns, and leaves. He is a blueish green 4 tentaculed Swamp Monster and he was having revenge on Spud. After Jake tosses the Moss Monster back in the creek, the Moss Monster is presumed dead or alive.
The Shaggy Frog
Being Human (cameo)
This slimy moss creature is able to turn into moss and turns back to it's scary self and will kill it's enemies.