Yakko, Wakko, and Dot are Warner Bros. characters known as The Warner Brothers and their sister Dot, who were the lead characters in Steven Spielberg's Animaniacs. They first met Pooh and his friends in Pooh's Adventures of Scooby-Doo, Where Are You!: Jeepers, It's the Creeper.
The eldest Warner. He's known to most as the brains of the three. He's a really big fan of Michelle Pfieffer. He's voiced by Rob Paulsen, who does Carl Wheezer and others.
The youngest Warner brother. He has quite an appetite. His voice sounds similar to both former Beatles members Ringo Starr and John Lemmon. His idol is Don Knotts. He's voiced by Jess Harnell, who does lots of other characters.
The Warner sister, and the youngest. She sees herself as extremely cute, and is also known for this reminder message: "Call me Dottie, and you die." She has a thing for Mel Gibson. She's voiced by Tress MacNeille, who does Daisy Duck, Babs Bunny, and others.
- The Warners will meet Barney and friends in Barney's Adventure At Hotel Transylvania.
- The Warners will guest star in Charlie Brown and Snoopy Get Cheaper by the Dozen and Charlie Brown and Snoopy's Adventures of Robots.
- In an upcoming Barney adventure, where the Warners will meet the rest of the Backyard Gang, Dot will start an rivalry with Isabella Garcia Shapiro, due to their cuteness, but some time afterwards, they will make up and become friends.