The Komodo dragon.

The world’s largest living lizard. An apex predator, this fearsome individual can top 10 feet in length, and has been known to achieve upwards of 300 pounds in weight. If (when) he snaps at his prey, venomous anti-coagulants become part of the equation. These gigantic monitor lizards of Indonesia will indeed devour a humanoid biped every now and then, perhaps leaving unconsumed the odd camera of an unwary tourist.