This daunting creature is a sight to behold. Its body is a mottled olive-green, with four stubby legs and two long, thin arms that curl into sharp claws. Its head is bulbous and has two black eyes, set in deep sockets. Its mouth is an ominous, gaping maw, with sharp teeth jutting from the edges. To bring this scene to life, start by filling in the body with a dark green, giving a solid base for the light and dark shades of the mottling. For the head and beady eyes, use light and dark shades of gray to give more texture. Finally, emphasize the claws with glints of brown and yellow to give an extra bit of sparkle.