Proving that he truly is America's collective cool uncle, Robert Downey Jr. has finally joined Instagram in severely belated (albeit Typical Cool Uncle) fashion. Though he's only a few posts deep, Downey Jr. is astutely avoiding potential Cool Uncle pitfalls like pictures of latte art — which has essentially become the new version of couples who shared the same Facebook circa 2010.

By joining Instagram, Robert Downey Jr. has now completed the lengthy Cool Uncle training process — which, of course, also includes important rites of passage such as reinventing your past transgressions as Cool Stories indicative of one's own heroic journey toward Cool.

To quote the man himself, "I think that we all do heroic things, but hero is a noun — not a verb."

Typical Cool Uncle.