He also (along with his other siblings) can be seen with different attire in specific episodes (like 'Roll Over Beethoven') such as top hats, sashes, suits, etc.

He was also seen with an addition of a green scarf in the movie. His eyes are black, and he has a small red nose, black ears, as well as a tail that sticks out through his pants. Like his siblings, he also has short black fur covering most of his body and white fur over his face, cheeks, and eyebrows. He is the tallest of the three, the same height as Bugs Bunny, and he wears khaki pants up to his waist with a large belt. Like his siblings, Yakko is an ambiguous dog-like cartoon character. Yakko, as his name implies, is the most talkative and quick-witted of the Warner siblings. 2.4.7 Animaniacs: Lights, Camera, Action!.(They are regularly shown to be very clever and knowledgeable in many areas, usually causing events that should have been impossible to predict) However, this may only be internal whit and the ability to see the humor in every situation around them, never taking anything seriously. The show usually follows these characters' zany skits and usually portrays them to have low intelligence. They were drawn in the 'Warners Studio' supposedly their age from Yakko to Dot, oldest-to-youngest, are labeled in age by who was drawn first, middle, and last at least because the theme intro shows Yakko being drawn first, Wakko middle, and Dot last. Their last name, 'Warner,' is named after the real-life studio's 'Warner Brothers'.

They are usually referred to as the 'Warner Brothers and the Warner Sister' if all three, though since one is female, the proper term is 'Warner siblings'.

In the show, the siblings often appear in other characters' skits, usually chased by Ralph, the security guard most other characters are confined to their own segments. Their personalities in comical-humor-wise are similar, yet unique, mostly if not counted comic-wise. Yakko (the oldest child) is a wise-cracking smart-aleck and usually acts as the leader of the trio Wakko (the middle child) has a Liverpool accent, a huge appetite and a gag bag filled with tricks, and Dot (the youngest child) is cute, sassy and witty. Yakko, Wakko, and Dot, the ' Warner Brothers (and the Warner Sister)', are the main characters of Animaniacs, voiced by Rob Paulsen, Jess Harnell, and Tress MacNeille. “ It's time for An-iman-iacs, And we're za-ny to the max, So just sit back and relax, You'll laugh 'til you collapse, We're an-i-man-iacs” ―All singing

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