Originally Posted by licksandteeches
As Shannon explained to me Bart was about 16 and he was hanging out with some friends and there was a girl there who didn't know his name, so for some reason she called him Bart (he looks like a "Bart" IMO) and it just stuck. He also said it helps now because if they didn't call him Bart, they would have a Ryan, a Brian, and another Ryan in the band and that would just be confusing.
Well, you learn something new every day haha. On their facebook page though he's listed as "Ryan 'Dont call me Bart' Williams" now hahaha