Haha, I was just curious. I haven't actually seen any horrors but only the romance-comedy or sad korean dramas so I probably don't know any creepy characters. Actually, I think the guy who played the side male lead in Sassy Girl Chun Hyang was a bit creepy lookin'. He seemed waaay too old for chun hyang!
And now that I think of it, the side male lead in the taiwanese drama Silence was a bit obsessive..and creepy too!I hate it when the guys overreacted and won't leave the girl alone..ugh and then he even decided to collaborate with the enemy side.