Letterman, who Trump has also attacked on his Truth Social platform, described Kimmel as the “leader of the resistance” on Tuesday and joked that the interview may not even make the air. He also praised Kimmel’s recent contract extension with ABC through May 2027.

David Letterman says he was recently mistaken for comedy legend Dick Van Dyke, who is 21 years his senior: 'Now I have to wear a name tag.'

Former "Late Show" host David letterman appeared on "Jimmy Kimmel Live!" on Tuesday, where he named host Jimmy Kimmel "the leader of the resistance" against President Donald Trump.

David Letterman is saluting late-night's refusal to stay quiet amid political fire, with Jimmy Kimmel earning special praise.

Regina Lasko and David Letterman's son Harry Letterman was born in November 2003 and mostly stays out of the spotlight. Here’s everything to know about David Letterman’s son.

Darlene Love to perform holiday classic on 'The Tonight Show' as Jimmy Fallon carries on David Letterman tradition