Dumbo is a 1941 American animated film produced by Walt Disney

Walt Disney

Walter Elias "Walt" Disney was an American film producer, director, screenwriter, voice actor, animator, entrepreneur, entertainer, international icon, and philanthropist, well-known for his influence in the field of entertainment during the 20th century. Along with his brother Roy O...

 and released on October 23, 1941, by RKO Radio Pictures.

The fourth film in the Walt Disney Animated Classics series, Dumbo is based upon the storyline written by Helen Aberson and illustrated by Harold Pearl for the prototype of a novelty toy ("Roll-a-Book"). The main character is Jumbo Jr., a semi-anthropomorphic elephant

Elephant

Elephants are large land mammals in two extant genera of the family Elephantidae: Elephas and Loxodonta, with the third genus Mammuthus extinct...

 who is cruelly nicknamed "Dumbo".