How about Nelson Mandela? Dalai Lama?
I thought about these two too.
So, is Messi the most famous soccer player around these days? A famous soccer player is a good answer, because soccer is the biggest sport in the whole world. But are Péle or Diego Maradona even more famous? Or that overrated Beckham?
Obama is of course famous, maybe I'll go with him. Putin is a pretty good choice also, I think, but I don't know, who is leading China now.
Or actually I know. The ghost of Mao Zedong.
Carly Rae Jepsen
Maybe.