Komodo Dragon
"Let's roll"
It is a lethal animal because of its dangerous, poisonous bite, the powerful poison present in its bite causes in its victim an increase in flow of blood, thinning of the blood, muscle paralysis and therefore creating a condition of shock and loss of consciousness...
The Immortal Jellyfish
Just look at it. Oh and it doesn't die, naturally, ever. Obvious nominee.
The Colossal Squid
So hard that no-one knows much about it because whenever one gets close, they run far, far away. King of the ocean.
Crown of Thorns Starfish
Destroys everything in its...