Conversation so far:
How old were the boys of Green Day when then started doing music together?
In 1986, friends Billie Joe Armstrong and Mike Dirnt, 14 years old at the time, formed a band under the name Sweet Children
Green Day changed their name many times, what was another name they used besides Sweet Children?
The group released an album under the name Foxboro Hot Tubs entitled Stop Drop and Roll!!! In 2008, the Foxboro Hot Tubs went on a mini-tour promoting the record
What was the name of Green Day's breakthrough album?
Recorded in three weeks, and released in February 1994, Dookie became a commercial success

Question: What is your favorite fact about Green Day?
Self-contained rewrite: What is your favorite fact about Green Day?