Film: The Giant Gila Monster (1959)
Height/Weight: As big as two limos in front of each other, and two more stacked on each of them.
Summary: What better way to incorporate giant lizards into your movie than to use an actually dangerous lizard in it? We have a hard time wondering how the filmmakers didn't get hurt when they were trying to get this "giant" Gila Monster to cooperate to this day.
History: The big lizard came out of nowhere one day in Texas. Some say that it was normal until its eating habits changed, but we can't be sure. Either way, it preferred to feast on humans, especially hicks who could barely sing to save their own lives.
Notable Kills: The Gila Monster kills many in a single go by complete accident at one point. It casually breaks the pillars surrounding a train track, causing the train to derail and provide a nice human buffet for the lizard. You can even hear the screams.
Final Fate: The Gila Monster gets a car filled with explosives to the face, killing it instantly.
Powers/Abilities: Impervious to bullets, it seems.
Weakness: Only explosives can penetrate its hide.
Scariness Factor: 3-Despite its size and tendency to cause damage by simply waddling around, the Gila Monster is rather slow, and relies heavily on its flimsy element of surprise. Or, you know, human stupidity. Whichever comes first.
Trivia: -This wasn't even a Gila monster to begin with. This was the larger Mexican Beaded Lizard. Sorry about all that dishonesty.
-The Gila Monster is one of the very few venomous lizards out there, which include Komodo Dragons and Mexican Beaded Lizards.