This guy has an interesting interpretation of a retro hairstyle.
We are not sure which decade this 'do most closely resembles, but its a cross between the 1940s and 1960s, or maybe 1980s even, with short sides above the ears and longer back with slight curls. The deep side part makes the top look a touch like a comb over with a Gerber baby curl on the opposite side. Hmmmm very interesting.