Top 10 Terrifying Animals that actually exist. Have a high IQ and great sense of humor? You're home. Werewolves, zombies, Chupacabra and Bigfoot (bigfeet?) aren't real (or are they) but there actually is a very real and common lizard that squirts poisonous blood from its eye sockets. (We'll show you this!) Through the amazing and bizarre process of evolution - nature has created thousands of truly terrifying animals that actually... see more