Kudos, all posts above. After hearing the sad news, I came across a 2016 YouTube video -- a roast of George Takei with Gilbert at the podium.
For those who knew Gottfried from late-night network TV stand-ups, be advised that his comedy club performances were shockingly and delightfully vulgar, completely devoid of political correctness. In this clip, he uses the "F" gay slur with gusto and assurance, because the crowd knows he is playing against those tropes, and that he's a friend to the end.
