Meet Alex Rawlings, a hyperpolyglot (someone who speaks multiple languages fluently). Watching him switch effortless between 11 languages is mighty impressive. [youtube=http://www.youtube.com/watch?v=55_G66g02QU]
However, even he has a long way to go to catch 18th Century Cardinal, Giuseppe Mezzofanti, who supposedly spoke 60 languages and dialects.
If you would like to learn more about hyperpolyglots pick up a copy of Babel No More by Michael Erard.