Wakko Warner is one of the three main characters from the animated TV show, Animaniacs. He is a young, mischievous, and somewhat dim-witted Warner sibling, known for his trademark red baseball cap and his insatiable appetite for food. Wakko is voiced by Jess Harnell, who brings his unique blend of humor and energy to the character. Wakko's backstory is shrouded in mystery, as the Warner siblings are known for their zany antics and unpredictability. However, it is known that he and his siblings Yakko and Dot were created in the 1930s by the Warner Bros. animation team. They were locked away in the Warner Bros. water tower until they were released in the 1990s to star in their own TV show. Wakko is often portrayed as the goofy and carefree member of the Warner siblings, with a love for singing and playing the harmonica. He has a childlike innocence and tends to take things at face value, often leading to hilarious misunderstandings and misadventures. However, he can also be surprisingly clever and resourceful when the situation calls for it.
One of Wakko's most notable traits is his insatiable appetite. He is known for eating anything and everything in sight, often leading to comedic situations and mishaps. He even has a song dedicated to his love of food, titled "Yakko's World." Throughout the series, Wakko and his siblings embark on various wacky and surreal adventures, often poking fun at pop culture and breaking the fourth wall with their self-aware humor. Wakko's zany antics and lovable personality have made him a fan favorite and an iconic character in the world of animation.