10 TV Characters Fans Turned On Over Time (6 of 6)

1. Dexter Morgan — Dexter

Dexter’s early seasons balanced his dark urges with a strict code—killing only those who deserved it. But after his wife’s death, the wheels pretty much came off. His code became meaningless, his connections shallow, and his motivations not always clear. Even a reboot and spin-off couldn’t save what once made him a fascinating anti-hero. His story didn’t just fizzle out, it completely unraveled.