Best short movie trivia of all time

Trivia: This was the first cartoon in which Wile E. Coyote had a speaking role.

Trivia: This was the first Warner Brothers cartoon to use the rings in the opening and closing titles.

Trivia: This was the first appearance of Huey, Dewey and Louie in a Walt Disney animated cartoon.

Trivia: This is the first Warner Brothers cartoon in which Mel Blanc receives a voice credit.

Trivia: Even though Daffy Duck is the main character, he doesn't actually appear until the cartoon is over halfway finished.

Trivia: When we see the start of the newsflash at the theatre, the opening title has "Selzer" as the cameraman and the narrator is "Moray." "Selzer" is a reference to the Warner Brothers producer Eddie Selzer, whereas "Moray" is a reference to Norman Moray, the key executive with the Vitaphone Corporation, Warner Brothers' short subject division.

Trivia: When the man is released from the Psychopathic Hospital, he spots the construction site when he originally found the frog. The man then hides the box in the cornerstone of the future "Tregoweth Brown Building" - a reference to the Warner Brothers sound editor Treg Brown.

Trivia: When the cat is scared by one of the dogs at the start of the cartoon, behind them you can see a shop with "M. Edourd Selzer Bottles" on the front window - a reference to the Warner Brothers producer Eddie Selzer.

Trivia: When Sylvester cannot put Tweety Pie in his mouth due to him swallowing the alum, he puts Tweety back in the cupboard. When he does so, you can see a small can with "Friz" behind him - a reference to the director Friz Freleng.

Trivia: When we see the parade for the newly elected mayor, look in the background and you can see a building with "P. Julian" on it - a reference to the Warner Brothers background artist Paul Julian.

Trivia: When the orange cat is trying to frame Sylvester by making a lot of noise, he turns on the radio which plays a soap opera where the two main characters, "Melvin" and "Beatrice", take turns trying to kill each other. "Melvin" is Mel Blanc, whereas "Beatrice" is Bea Benaderet.

Trivia: During the show, there is a hair that gets caught in the projector that is removed by Poochini before continuing his performance. The joke was so realistic that many projectionists attempted to remove the hair themselves, not realising that it was part of the cartoon.

Trivia: This was the first Warner Brothers cartoon in which Bugs Bunny was named.

Trivia: The first Warner Brothers cartoon to feature Daffy Duck, and the first in which Mel Blanc voices Porky Pig.

Trivia: When Hans arrives in America, he gives his cousin Willie some cheese. Hans then looks around and sees some traffic coming past. The traffic includes a pink lorry saying "Foster's Eggs" and a yellow lorry saying "Fritz Transfer Co." - a reference to the writer Warren Foster and director Friz Freleng, respectively.

Trivia: Final Warner Brothers cartoon in which Arthur Q. Bryan voiced Elmer Fudd. The voice actor died in November 1959.

Trivia: On Sniffles' shelf, there are two bottles with the labels "Grib" and "Broek" on them - a reference to the Warner Brothers layout artist Robert Gribbroek.

Trivia: When Cecil Turtle shows Bugs Bunny a blueprint of his turtle shell, look at the bottom right and you can see the name "Michael Sasanoff." Sasanoff was Robert Clampett's layout artist.

Trivia: The soup crate that the coyote uses for the "free drink of water" trap has "Harris Soup" on the side - a reference to the Warner Brothers animator Ken Harris.

Trivia: When Pluto is walking up a pile of logs in order to return the bird to its nest, look carefully and you can see that the end of three logs form a "Hidden Mickey."