1 of 15 Quantrell D. Colbert/The CW
They can kill without remorse.
Damon has no trouble wiping out almost an entire family as part of his revenge plot.
2 of 15 Quantrell D. Colbert/The CW
They can take murder to a whole new level.
Remember how Damon wiped out almost an entire family? That's because he left a single orphan alive so he could repeat the cycle with the next generation.
3 of 15 Quantrell D. Colbert/The CW
They're experts at using others.
Damon has no problem taking Enzo's blood rations to ensure his own strength to escape. The deal is that he'll return to release Enzo, but it's surprisingly easy for this psychopath to protect only his own back.
4 of 15 Annette Brown/The CW
They know how to wear a mask
Damon offers Elena one face and his victims another. Duplicity is no problem.
5 of 15 Annette Brown/The CW
They show you what you want to see.
Again, Elena gets the pretty face that will ensure her loyalty so Damon gets what he wants from her.
6 of 15 Quantrell D. Colbert/The CW
They glorify themselves.
These psychopaths enjoy a healthy dose of self-adoration.
7 of 15 Annette Brown/The CW
They can shrug off pretty much anything.
Torture, murder, suppressing one's humanity -- all minor incidents one can let go of once they're in the past, right?
8 of 15 Quantrell D. Colbert/The CW
They never take blame.
Klaus can easily blame his whole family for how they treated him, but he will never see fault in himself.
9 of 15 Bob Mahoney/The CW
They don’t understand emotions.
Klaus is unmoved by his sister's tearful declarations of loyalty. Love and compassion are foreign to him.
10 of 15 Quantrell D. Colbert/The CW
They have no empathy.
Not only are psychopaths incapable of feeling emotions, they can't even understand them in others. To Klaus, Rebekah's grief is totally incomprehensible.
11 of 15 Quantrell D. Colbert/The CW
They won’t suffer independent thinkers.
Like the real-life serial killer Jeffrey Dahmer, who tried to create compliant zombies, Klaus is only interested in people who will comply wholly with his will.
12 of 15 Bob Mahoney/The CW
They're excellent actors when it suits them.
Psychopaths often know how to put on the right airs to get what they want, like when Klaus tried to get to know Caroline better.
13 of 15 Quantrell D. Colbert/The CW
It’s all about control.
In both Damon and Klaus, we see the irresistible desire to be in control, even at the cost of someone else's free will.
14 of 15 Quantrell D. Colbert/The CW
Psychopaths value you only as much as they can use you.
To a psychopath, a person's value lies entirely in their usefulness to that individual. Damon sums it up well when he refers to humans are toys, tools or food.
15 of 15 Bob Mahoney/The CW
They have a flair for the dramatic.
When life is a game, why not frame Lexi for murder and stake her for it in front of the sheriff? Now that makes for good TV.