Question: Which character was adopted as the official Warner Bros. mascot, and featured in cartoons such as 1951's "Hare We Go"?

Context paragraphs:
Hare We Go: Hare We Go is a 1951 Warner Bros. "Merrie Melodies" cartoon starring Bugs Bunny.

Tasmanian Devil (Looney Tunes): The Tasmanian Devil, commonly referred to as Taz, is an animated cartoon character featured in the Warner Bros. "Looney Tunes" and "Merrie Melodies" series of cartoons.  Though the character appeared in only five shorts before Warner Bros.  Cartoons closed down in 1964, marketing and television appearances later propelled the character to new popularity in the 1990s.  His first name is revealed in the 1957 short "Bedeviled Rabbit", when his wife addresses him as "Claude".

The Looney Tunes Hall of Fame: The Looney Tunes Hall of Fame is a 1999 feature film compilation of 15 classic animated short subjects from the Warner Bros. studio.  The line-up of cartoons included in this anthology were "A Wild Hare" (1940), "Birdy and the Beast" (1944), "Bugs Bunny Rides Again" (1948), "Rabbit Seasoning" (1952), "Feed the Kitty" (1952), "One Froggy Evening" (1955), "Duck Amuck" (1953), "Another Froggy Evening" (1995), "Fast and Furry-ous" (1949), "Ali Baba Bunny" (1957), "Knighty Knight Bugs" (1958), "High Diving Hare" (1949), "Bully for Bugs" (1955) and "Rabbit of Seville" (1950).  "The Looney Tunes Hall of Fame" offered audiences an opportunity to see the cartoons in a 35mm theatrical presentation.

Jerry Beck: Jerry Beck (born February 9, 1955 in New York City) is an American animation historian, author, blogger, and video producer.  The author and/or editor of several books on classic American animation and classic characters, including "The 50 Greatest Cartoons" (1994), "The Animated Movie Guide" (2005), "Not Just Cartoons: Nicktoons!"  (2007), "The Flintstones: The Official Guide to the Cartoon Classic" (2011), "The Hanna-Barbera Treasury: Rare Art Mementos from Your Favorite Cartoon Classics" (2007), "The SpongeBob SquarePants Experience: A Deep Dive into the World of Bikini Bottom" (2013), "Pink Panther: The Ultimate Guide" (2005), and "Looney Tunes and Merrie Melodies: A Complete Illustrated Guide to the Warner Bros.  Cartoons" (with Will Friedwald, 1989) alongside "The 100 Greatest Looney Tunes Cartoons" (2010).  He is also an authority on the making of modern films, with his books detailing the art of "Mr. Peabody and Sherman", DreamWorks' "Madagascar", and "Bee Movie".  Beck is also an entertainment industry consultant for TV and home entertainment productions and releases related to classic cartoons and operates the blog "Cartoon Research."  He appears frequently as a documentary subject and audio commentator on releases of A&E's "Cartoons Go to War" as well as DVD collections of "Looney Tunes", "Popeye the Sailor", and "Woody Woodpecker" cartoons, on which he serves as consultant and curator.

Herr Meets Hare: Herr Meets Hare is a 1945 Warner Bros. cartoon directed by Friz Freleng, under the "Merrie Melodies" series.  This short, coming a few months before the collapse of the Third Reich, was one of the last major wartime cartoons from Warner Bros. It was released 4 months and 17 days before Adolf Hitler committed suicide.  "Herr Meets Hare" also sets up two important facets of Bugs Bunny: one in which Bugs would realize he "should have made a left toin [turn] at Albukoykee".  The other is an extended dance sequence in the middle, which would later be retooled by Chuck Jones into "What's Opera, Doc? ".

His Hare-Raising Tale: His Hare-Raising Tale is a 1951 Warner Bros. "Looney Tunes" (reissued as a Blue Ribbon "Merrie Melodies") short, directed by Friz Freleng and written by Warren Foster.  This cartoon consists primarily of clips from five previous cartoons: "Baseball Bugs" (1946); "Stage Door Cartoon" (1944); "Rabbit Punch" (1948); "Falling Hare" (1943); and "Haredevil Hare" (1948).

The Old Grey Hare: The Old Grey Hare is a 1944 Warner Bros. cartoon in the Merrie Melodies series, directed by Bob Clampett, written by Michael Sasanoff, music by Carl W. Stalling.  Starring an older and young Bugs Bunny and Elmer Fudd.  This was the first time the Bugs Bunny cartoon credited Warner Bros.  Cartoons as producer after Leon Schlesinger had sold the studio to WB (because Edward Selzer refused to receive on-screen credit as producer).

The Bugs Bunny Show: The Bugs Bunny Show is an animated television anthology series hosted by Bugs Bunny, that was mainly composed of "Looney Tunes" and "Merrie Melodies" cartoons released by Warner Bros. between August 1, 1948 and the end of 1969.  The show originally debuted as a primetime half-hour program on ABC in 1960, featuring three theatrical Warner Bros. cartoons with new linking sequences produced by the Warner Bros.  Cartoons staff.

List of films directed by Tex Avery: Tex Avery was an American animator, cartoonist, voice actor and director.  He became famous for producing animated cartoons during the Golden age of American animation and produced his most significant work while employed by the Warner Bros. and Metro-Goldwyn-Mayer studios.  He created the characters of Daffy Duck in "Porky's Duck Hunt" (1937), Elmer Fudd in "Egghead Rides Again" (1937), Bugs Bunny in "A Wild Hare" (1940), Cecil Turtle in "Tortoise Beats Hare" (1941), Droopy in "Dumb-Hounded" (1943), Screwy Squirrel in "Screwball Squirrel" (1944), George and Junior in "Henpecked Hoboes" (1946), Spike/Butch the bulldog (Tex Avery's version) in "Bad Luck Blackie" (1949), and Smedley Dog in "I'm Cold" (1954).  He would develop the characters of Porky Pig from the Warner Bros. studio and Chilly Willy from the Walter Lantz Studio into the personas for which they are best remembered.

Bugs Bunny: Bugs Bunny is an animated cartoon character; created in 1940 by Leon Schlesinger Productions (later Warner Bros.  Cartoons) and voiced originally by Mel Blanc.  Bugs is best known for his starring roles in the "Looney Tunes" and "Merrie Melodies" series of animated short films, produced by Warner Bros. During the golden age of American animation, his popularity increased.  This era led to his becoming an American cultural icon and the official mascot of Warner Bros.  Entertainment.

Supporting paragraphs: Hare We Go Bugs Bunny
Answer: Bugs Bunny