Before the place was shut down, I was a junior assistant dinosaur wrangler at Jurassic Park. They only let me deal with the really small dinosaurs:
I paid attention during orientation, and I remember that if you see a dinosaur licking its chops, you should back away slowly before it eats you.
Feel free to leave a link in the comments section if you’ve posted your own Halloween pictures.
Planetary Defense Command 
Damn, he looks ferocious! You’re one brave man, my friend!
I barely made it out of there with my life!
What a cute doggasaurus. He doesn’t look very dangerous.
Cuteness is her primary weapon, but in a really tough situation, she’ll break out the puppy-dog eyes.