Key and Peele Reveal "Real" Cat Actor in KEANU

Keegan-Michael Key and Jordan Peele were on Conan and made a shocking revelation about their film Keanu...I think? I'm pretty sure this is fake, but it's hilarious all the same. The story is that Key is allergic to cats, so they needed a dog for the film, and it all goes downhill from here. I don't know if all of this is fake, some of this is fake, or a dog really played Steve Buscemi in Boardwalk Empire! Someone help me out!