"Bustin Jieber -- that's what we call him!" Nick told us. But is it because they're jealous of him? No way! "Justin's a good person," Nick spills. "I've met him a couple times. He's a really nice person!"
Should we start calling the Jonas Brothers the Bonas Jrothers? ;-)
Do you like the JoBros' nickname for Justin?
Photos: Robert Milazzo; Kim Messina