About World Green Day?

That depends on your perspective, but they have been very influential in the music world. Green Day set the pace for many bands that would follow, includint Good Charlotte, Sum 41, Blink-182. Avril...

Yes

Actually, yes. Their infamous drummer, Frank Edwin Wright III, a.k.a., Tre Cool, was the first person to climb the Universal Studios Ball in Orlando

I've heard a very widespread rumour that it's Blink 182 supporting them in Dublin in October

Green Day is a punk rock band from California in which u can find more info in wikipedia cuz there is really to much epicness to be put in this little box