What show was the rooster on Cartoon Network?

The rooster featured on Cartoon Network is from the show "The Grim Adventures of Billy & Mandy." The character, named "Rooster," is part of a recurring gag and is often seen in comedic situations alongside the main characters, Billy and Mandy, as well as Grim, the Grim Reaper. The show is known for its dark humor and quirky characters.