The first seasons of Grey's Anatomy made us love and hate Alex Karev. But here's a list that proves Alex is actually the best. Grey's Anatomy Love. Greys anatomy Alex Karev is actually the best guy on the show. Mcdreamy. Mcsteamy. Alex and Jo. Alex and Izzy. Justin Chambers, Meredith Grey, Sloan Memorial, Grey's Best, Grey's favorite moments, Karev Favorite moments, Alex Karev scenes.