Chicken Boo was a fictional character on the Animaniacs television series.

Chicken Boo was a six foot tall chicken who wandered the country assuming a human identity--a ballet dancer, a dashing romantic lead, frontier hero, Confederate general, Santa Claus--even Batman's loyal sidekick!

He would achieve success as a human being, although there was always one person who would secretly suspect he wasn't a man. They were ridiculed by the others, until some mishap caused Boo's clothes to fall off and expose him to the masses, proving the naysayer correct. The others would generally react with swift retribution and anger at being duped.

"He's a chicken, I tell you--a giant chicken!"

Chicken Boo had a theme song that played before each segment:

"Chicken Boo, what's the matter with you?

You don't act like the other chickens do.

You wear a disguise to look like human guys.

But you're not a man; you're a chicken, Boo."

Boo's clucks were provided by Frank Welker.