Vampire Squid Vampyroteuthis infernalis, not because it sucks blood but "because they have the ability to ‘cape’ themselves up with their membrane, which is black underside, looking just like a vampire wearing a black cape!"
Inverted Vampire squid. Vampire squid have eight webbed arms, tipped with suckers and lined with fleshy spines (called cirri), and two retractable sensory filaments. When threatened, it inverts so that the cirri point outwards in a menacing fashion
Vampyroteuthis infernalis (vampire squid from hell) - Researchers discovered that vampire squids do not eat live prey, but bits of organic debris that sink to the ocean surface, where there is almost no oxygen but relatively few predators.