Watch it twice, once with your eyes open and once with them closed. Eyes-open is amazing: Costa not only resembles Williams, he’s got the squint and that memorable toothless smile down pat. Eyes-closed is better, though, because it lets you focus on the voice. And the voice is uncanny, a miraculous recreation. The only difference I sensed, and it was a small difference, is a bit of a lisp. Other than that, perfection. And his decision to quick-cut between Williams in various roles instead of impersonating him in one role at length was smart. It’s a way to capture some of that famous, otherwise unreproducible, manic energy.
This impression would be difficult under any circumstances. A few months removed from his suicide, it’s twice as difficult because of the temptation towards mawkishness. How do you make it affecting without being maudlin? Here’s how.