Because you like Drusilla in Buffy the Vampire Slayer
When the going gets tough, Dre Johnson gets tougher. Well, he'd like to think he does. See them in Blackish.
As an undercover cop, Schmidt is getting to relive high school as a cool kid. See them in 21 Jump Street.
Walter White's knowledge of chemistry allows him to cook astoundingly pure meth, leading to a rapid – albeit tumultuous – rise in the criminal drug world. See them in Breaking Bad.
Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.
Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.
Fighting for a future without fear? Yeah, Chris Redfield believes it is worth it. See them in Resident Evil Series.
England may cultivate the image of a well-bred gentleman, but he has both the temper and mouth of a seasoned sailor. See them in Axis Powers Hetalia.
Tidus is upbeat, carefree, and desperate not to become his father. See them in Final Fantasy Series.
Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.