The weird creature in our fanart SpongeBob Spot Sticker is Plankton's pet amoeba debuted in the episode Plankton's Pet. He is a tiny, translucent, green amoeba and is just the right size for Plankton, considering he is a microscopic organism. He has one yellow eye, an antenna, a light-pink tongue, three dark green spots, and four legs on each side of his body. He acts like a dog and seems brave, protecting Plankton if he is in danger.