monster octopus tentacles flow slime. logo for halloween. drawing creepy cephalopod mollusk print

animal aquatic art black blob cartoon celebration contour creature darkness death decay dirt drawing dribble drip filth flow ghostly goo gooey halloween holiday horror line liquid marine mollusc monster nautical octopus oozing radiation radioactive rot round scary shellfish slime spooky squid sticky stream tattoo tentacle toxic undead wild zombie