DC Animated Universe
In DC Comics, Mitchell Mayo is the Condiment King. He is a minor criminal who is often considered a joke. He is an enemy of Batgirl.
In Lego Batman 3: Beyond Gotham
The Buddy Standler version of Condiment King appeared as an unlockable character.
In The Lego Batman Movie
A version of Condiment King appears in The LEGO Batman Movie.