9 Doctors Who Have Redefined "Sexy" on Grey's Anatomy

Alex Karev, the bad boy of Grey's Anatomy. He's a strange mix of frat boy and loyal puppy. Karev has grown over the past few years. He's less of a bully now than he used to be, but his aggressive side is clearly still an issue. Of course, Karev is a good-looking guy, anyone with eyes can see that. However, his short temper is a major turn off.