Welcome Hey guys, welcome to Green Day Authority. This site was made by a 13 year old 7th grader,who loves Green Day. In case some of you are thinking, who the heck is Green Day, you must be really stupid. Well, Green Day is a awesome rock band that just happens to be my favorite. So on this site you will find out everything about them. I hope you like my site. ( I know you will) Green Day Green Day I'm most like Billie Quiz Results I went to GreenDayAuthority.com and took the personality quiz to see which member of Green Day I was. Well, my results said that I was most like Billie Joe , so, I guess thats a good thing. So if you want to take the quz to see which member you are, then go to GreenDayAuthority.com Billie Joe Armstrong Most Like Tre Most Like Mike