Welcome to TIME’s ranking of the onscreen figures that made the biggest impact on the news and our lives this year, for better and sometimes for worse. (See last year’s list here.) — 15. Hello KittyRingo Chiu—Zuma Press/CorbisWhat does it mean to be human? It’s a question philosophers have debated for millennia—and the Internet debated this year, thanks to Hello Kitty (who turned 40 this year). Ac