first 3 = no...there are some genetic disorders that do give people the appearance of a werewolf, but as legend has it no...again, there are people who enjoy the taste of blood, but they are not sensitive to light, garlic and have the other characteristics of a "vampire"mermaid = a big fat noloch ness = maybe but most likely not, there are creatures that we have yet to discover, especially within the oceans, rivers, lakesbig foot = yes, even though there are limited resources to back this upufo/aleins = yes, there are enough facts to prove this