Although Colbert initially geared up to do his usual schtick with Keith, he had a change of heart.
Instead, the comedian thought to himself, “‘Make him feel welcome.
See who he is.'”

When Colbert decided to go with that approach, the men got along well and had a great conversation.
Whatever the f*** it is you do."
He implored his audience to keep that in mind.

The comedian ended his homage with a nickname for Keith: “Thank you, Big Dog.”