Appearing on Monday night’s The Late Show with David Letterman, Will Ferrell reminded us that while everyone has a Harry Caray impression, his is the only one that matters.

Ferrell joined David Letterman onstage to talk about important topics like the host’s upcoming retirement and President Barack Obama’s hand in bringing down the Berlin Wall.

The best part in all this may be the YouTube comment section of this video, where a number of people claim they had to Google the late MLB sportscaster to figure out who he was.

Sigh.

Dan is on Twitter. Call him “Whiskers.”

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