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

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.

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.

During a Monday appearance on "The Rich Eisen Show," the comedian, 56, slammed Mandel for surprising him with Billy Corgan during a recent podcast interview. Mandel framed the ambush as a family reunion, as the Smashing Pumpkins frontman previously theorized that Burr might be his half-brother.

Bill Burr was not happy with Howie Mandel after his interview was crashed with a surprise appearance by Smashing Pumpkins lead singer Billy Corgan.

Burr then clarified that while he has nothing against Corgan, the speculation brings up negative memories. In an effort to lighten the mood, Corgan reaffirmed his own doubts, gesturing to Burr and joking, "The fact that he said he can’t sing, I think, disproves that we’re related, 'cause I’m not funny, so...it goes both ways."

Comedian Bill Burr’s appearance on Howie Mandel‘s podcast turned contentious when the host orchestrated an unexpected meeting with Smashing Pumpkins frontman Billy Corgan, who recently suggested the two performers might share the same father.

Comedian Bill Burr and co-founder of The Smashing Pumpkins Billy Corgan are not only spitting images of one another but recent revelations have determined

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

During Burr's chat with Mandel, the American's Got Talent judge surprised him with an unexpected appearance from musician Billy Corgan - who had previously claimed they might be half-brothers.