sentences:  In all comics, the individual Beagle Boys are referred to by their prison numbers as per Barks's convention.In addition to Barks's and Rosa's claim that the Beagle Boys don't know their names, the Beagle Boys-centric comic "Being Donald Duck" (2003) by Olaf Moriarty Solstrand adds that the Beagle Boys don't know their mother's name either, only her number.The Beagle Boys' prison numbers are indicated on the tags seen on the chests of their distinctive orange or red turtleneck sweaters.