Trending badgeTrendingPosted 2 hours agoI Genuinely Cannot Look At These 27 Famous People The Same Way After Learning Their Actual NamesBillie Eilish's full name is Billie Eilish Pirate Baird O'Connell.by Lauren GarafanoBuzzFeed StaffFacebookPinterestLink 1. You know Pedro Pascal. Dominique Charriau / Getty Images His full name is José Pedro Balmaceda Pascal. He shared that he changed his name because he wanted to honor his mother, who died when he was 24. Her maiden name was Pascal. 2. You know Bruno Mars. Paras Griffin / Getty Images for BET His full name is Peter Gene Hernandez.