Democratic presidential candidate Bill de Blasio Bill de BlasioOVERNIGHT ENERGY: California seeks to sell only electric cars by 2035 | EPA threatens to close New York City office after Trump threats to 'anarchist' cities | House energy package sparks criticism from left and right EPA threatens to close New York City office after Trump threats to 'anarchist' cities New Year's Eve in Times Square to be largely virtual amid pandemic MORE early Tuesday dismissed a montage showing late-night comics roasting the New York mayor's entry into the 2020 race, calling the mockery "what they do for a living" and "normal."

“That’s what they do for a living, it’s normal,” de Blasio remarked to host Alisyn Camerota after the clips were played on CNN's "New Day."

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“You didn’t think there was something a little bit nastier about the reaction to your announcement?” she asked while showing de Blasio a New York Post cover from last week ridiculing his campaign launch.

“Fox News and New York Post, you’re going to get a definite reaction because I have challenged them plenty of times,” he replied.

"I think this is something to understand about me and my candidacy: mayor of the largest, toughest city in America. I have been for six years. To me, that’s like a walk in the park," he added later. "I didn’t even notice that because I deal with really tough issues every single day ... late-night comics don't bother me."

The CNN segment included a split screen to show de Blasio's reactions to Stephen Colbert Stephen Tyrone ColbertColbert implores Pelosi to update 'weaponry' in SCOTUS fight: 'Trump has a literal heat ray' The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy Juan Williams: Democrats need to bury their divisions MORE and Jimmy Fallon’s jokes.

The clips included Colbert referring to the large numbers of candidates on the Democratic side as "a clown car."

“Yet another new Democratic candidate pushed his way into the clown car. I’m talking about New York City mayor and Frankenstein’s monster’s lawyer, Bill de Blasio," the CBS host cracked.

Fallon, meanwhile, used the finale of CBS's popular "The Big Bang Theory" to take a shot at de Blasio.

“But it was also the beginning of a brand-new comedy — Bill de Blasio’s presidential campaign,” Fallon joked on NBC.

De Blasio jumped into an already crowded Democratic field last week as its 24th candidate seeking to take on President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE. He is seen as a long shot to win the Democratic nomination, with most polls showing at or around 1 percent support.