Thawne

A Thawne is someone who's hell-bent on destroying someone's life,whatever the concequences that their actions might have on the others
Their motivations are most of the time a strong desire to make a one's life a living hell due to a form of hatred towards their victims

-I'm gonna wreck his life so much that he won't even dare to go outside
-Wow,that's a Thawne behviour you got there