The actor and comedian made a recent appearance on an episode of the Howie Mandel Does Stuff podcast, where the host surprised him with Billy Corgan, the Smashing Pumpkins guitarist who previously revealed that the pair might be related.

In November, Billy Corgan revealed Burr might be his half-brother while on the “Howie Mandel Does Stuff” podcast. Earlier this month, Mandel then secretly brought on the Smashing Pumpkins frontman during Burr’s interview. Burr shared he was not a fan of how the meet and greet went down.

Bill Burr says he 'didn't appreciate' being ambushed with Billy Corgan on Howie Mandel's podcast: 'Howie did what he did because he is a Hollywood whore and he doesn't care what happens.'

In a new interview, Bill Burr candidly condemned Mandel's ambush; and the 'America's Got Talent' host retaliated with an edited photo of Burr and Corgan.

The comedian reacted to the forced encounter by shaking the Smashing Pumpkins frontman's hand while telling Mandel, "You're an a**hole."

Howie Mandel and Bill Burr are caught in what appears to be a feud after Mandel surprised Burr on his podcast.

Bill Burr then accused Howie of bringing Billy Corgan onto the show "for the fucking ratings." "He's bringing you in here, not because he's trying to heal the bullshit that we wen

Bill Burr said he did not appreciate Howie Mandel surprising him with Billy Corgan after the guitarist suggested they could be half-brothers.

Bill Burr isn’t happy with Howie Mandel. After appearing on “ Howie Mandel Does Stuff ” podcast, the “Old Dads” actor, 56, doubled down on his disappointment over being blindsided when Mandel, 69, ambushed his interview by bringing out The Smashing Pumpkins frontman Billy Corgan, 57, who revealed he might be Burr’s half-brother.

Bill Burr was not exactly pleased when Howie Mandel ambushed him mid-interview with Billy Corgan, his alleged half-brother