Top 10 Terrifying Animals that actually exist. Have a high IQ and great sense of humor? You're home! Werewolves, zombies, ...

Giant isopods, which belong to the Bathynomus genus, can grow to be over 11 inches, but the biggest ones reach nearly 20 inches in length .

When you think of scary animals, what comes to mind? Maybe lions, hippos or snakes? But you might be surprised to know that ...