Thread:Reverse-Flash3000/@comment-34689868-20180228215741/@comment-31765695-20180228220135

Rosalina wasn't confirmed to have changed her last name to Mario after she married him. For all we know, she could have kept her maiden name, whatever that may be. So until it's directly confirmed that she chose to use Mario's surname, Rosalina's name should be left as just Rosalina.