MichaelaDietzwasbornonNovember1,1982inSouthKorea.Sheisanactress,knownforStevenUniverse(2013),TheFo-FoFiggilyShow(2014)andFriendswithFins(2014). MichaelaDietzisanactressandvoiceactresswhoseprofessionalcareerstartedin2005.SheisknownforplayingtheroleofRiffonBarneyandasthevoiceofAmethystontheCartoonNetworktelevisionseriesStevenUniverse.