"If Jon Stewart is so above it all & legit, why did he change his name from Jonathan Leibowitz? He should be proud of his heritage!" the Celebrity Apprentice boss wrote on Friday, May 3.
"Jon Stewart is a total phony -- he should cherish his past -- not run from it," he added. "As I've said many times before, Jon Stewart is highly overrated."
The drama between the two started on April 24, when Trump insulted the Daily Show host's intelligence on Twitter. "I promise you that I'm much smarter than Jonathan Leibowitz -- I mean Jon Stewart."