Looney Tunes is a series of cartoons which are the backbone of Warner Bros. Since Looney Tunes, Animaniacs all
- Probably the most prominent appearances are in Slappy Squirrel, where the title character starred in fictious Looney Tunes cartoons.
- Bugs Bunny, Daffy Duck, Foghorn Leghorn and Tweety all appear in The Warner's 65th Anniversary Special.
- Daffy Duck and Tweety are mentioned in a song in HMS Yakko.
- Porky Pig appears in a flashback in De-Zanitized.
- Tweety and Daffy Duck can be seen in Star Warners.
- Road Runner & Wile E. Coyote made a cameo in "Little Old Slappy from Pasadena"
- Wile E. Coyote appears in "Buttons in Ows".
- Wile E. Coyote & Road Runner appear in "Bumbies Mum".