Jon Batiste is a familiar face to late-night TV viewers.

As the Stay Human band leader on Stephen Colbert's TV show, the Louisiana-born musician has become famous for his amusing facial expressions in response to the host's jokes.

He's also a wicked pianist and an all-around cool guy.

And this week, Batiste revealed his unwavering support for Democratic Party vice presidential nominee Kamala Harris.

Check it out below. You just might learn the proper way to pronounce her first name.