Cartoon Beatbox Showcase is a series by Verbal ASE. It's a series that shows new cartoon characters that show what they can do before getting into Cartoon Beatbox Battles.
Black Panther Beatbox
Black Panther Beatbox - Cartoon Beatbox Showcase is the first and only episode of Cartoon Beatbox Auditions. It's a video showing Black Panther beatboxing to show how he would be in Cartoon Beatbox Battles. This eventually lead to Black Panther being added in Cartoon Beatbox Battles, in Black Panther Vs Batman.
See also