An unexpected personality is busting in on the Democratic presidential debate: the Kool-Aid Man.

The campy red mascot for the fruit punch drink responded to a shout-out from Sen. Cory Booker Cory Anthony Booker3 reasons why Biden is misreading the politics of court packing Bipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility MORE (D-N.J.) during Wednesday's showdown among White House hopefuls.

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"There's a saying in my community," Booker told Joe Biden while responding to the former vice president's criticism of his crime-fighting record as mayor of Newark, N.J., “You’re dipping into the Kool-Aid and you don’t even know the flavor.”

Shortly after Booker's remark, the Twitter account for the perpetually smiling pitcher — who's known for breaking through walls — offered up a punchy reply, tweeting to its more than 31,000 followers: