Massimo D'Alema or the reaction guy (not to be confused with the "reaction guys") was the Italian Minister of Foreign Affairs and Prime Minister but is much more widely known to Americans as the man very alarmed and dismayed by the content posted on 4chan just ahead of him. Occasionally he also appears after something epic has just happened, but this is always a clear sign of newfags fucking everything up again. Looks kind of like a younger Alex Trebek.
His latest term of office ended when Silvio Berlusconi became the prime minister again again again.
Reaction guy is part of a series on
Visit the Memes Portal for complete coverage.