Home Jambase Dweezil Zappa Says Zappa Family Trust Is Applying To Trademark The Surname...National Music NewsJambaseMusicDweezil Zappa Says Zappa Family Trust Is Applying To Trademark The Surname ‘Zappa’October 5, 2016286FacebookTwitterPinterestWhatsApp According to Dweezil Zappa, the Zappa Family Trust is trying to prevent him from using his own name professionally.