Whatsername – Green Day (Vocal cover) Sep 2, 2016 1,039/Smoothed Out Slappy Hours, American Idiot, Cover Green, Cover GREEN DAY, Cover Punk Rock, Cover Rock, Cover Whatsername, A vocal cover of the song Whatsername from American Idiot by Green Day. Like 0 Thanks! You've already liked this « Boulevard of Broken Dreams – Green Day Cover Drum Kingston Hiew » Good Riddance (Time of your Life) – Green Day | Paul Mzno Cover