As it turns out, that's pretty easy! Here are eight things you may have missed or been completely unaware of regarding the cool factor of Hall & Oates. This discussion precludes their music because, well, it's inarguably awesome and you should go listen to it.
Cameo on The Cleveland Show
While a spin-off of Family Guy, everyone's (least) favorite Simpsons refraction, certainly isn't cool, getting Daryl Hall to say "wiener factory" most definitely qualifies.
Daryl Hall's longtime girlfriend, Sara Allen, served as the inspiration for many of the group's songs ("Sara Smile") - and also helped co-write their most major record, Voices. When's the last time you thought to ask your significant other to help you go platinum?