One “Jeopardy!” champion and best-selling children’s book author is facing heat after mocking President Trump’s 11-year-old son Barron over the controversial photo of Kathy Griffin holding a blooded mask of the 70-year-old.

Ken Jennings posted a tweet Wednesday that appeared to reference a report by TMZ that alleged Barron was watching television at home when he saw the graphic image on the screen, prompting him to believe the beheading was real:

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Barron’s older half-brother, Donald Trump Jr., spotted the tweet and immediately retaliated:

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Jennings quickly responded:

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Trump Jr. then called out book publisher Simon & Schuster over the shocking comments:

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Griffin’s photo shoot with photographer Tyler Shields immediately sparked outrage, resulting in CNN dropping the 56-old-comedienne from hosting their annual New Year’s Eve show.

Squatty Potty also eliminated their contract with the spokeswoman and the USO announced they were no longer involved with Griffin.