A flamboyant performer with his own distinctive style, "easily adapting from outrageous novelty songs to tender ballads" (according to critic Jason Ankeny), in 1945, Kaye began hosting his own CBS radio program, launching a number of hit songs including "Dinah" and "Minnie the Moocher".
Meanwhile, more competition spread for Disney after Max Fleischer's flapper cartoon character Betty Boop began to gain more and more popularity after starring in the cartoon Minnie the Moocher;
Calloway had several hit records in the 1930s and 1940s, becoming known as the "Hi-de-ho" man of jazz for his most famous song, "Minnie the Moocher", originally recorded in 1931.
His song "Minnie the Moocher" was inducted into the Grammy Hall of Fame in 1999 and added to the Library of Congress' National Recording Registry in 2019.
In 1931, Calloway recorded his most famous song, "Minnie the Moocher".
"The Old Man of the Mountain", "St. James Infirmary Blues", and "Minnie the Moocher" were performed in three Betty Boop cartoons: Minnie the Moocher (1932), Snow White (1933), and The Old Man of the Mountain (1933).
As a result of the success of "Minnie the Moocher", Calloway became identified with its chorus, gaining the nickname "The Hi De Ho Man".
His autobiography, Of Minnie the Moocher and Me was published in 1976.
In 1978, Calloway released a disco version of "Minnie the Moocher" on RCA which reached the Billboard R&B chart.
Calloway was introduced to a new generation when he appeared in the 1980 film The Blues Brothers performing "Minnie the Moocher".
A performance with the Cincinnati Pops Orchestra directed by Erich Kunzel in August 1988 was recorded on video and features a classic presentation of "Minnie the Moocher", 57 years after he first recorded it. In January 1990, Calloway performed at the Meyerhoff Symphony Hall, with the Baltimore Symphony.
Several of her early cartoons were developed as promotional vehicles for some of the top Black Jazz performers of the day including Louis Armstrong (I'll Be Glad When You're Dead You Rascal, You), Don Redman (I Heard), and most notably, the three cartoons made with Cab Calloway, Minnie the Moocher, Snow White, and The Old Man of the Mountain.
A memorable highlight of When You're in Love (1937) was a comic scene in which Moore donned flannel shirt and trousers and joined a 5-man band for a flamboyant rendition of Cab Calloway's "Minnie the Moocher", complete with gestures and "hi-de-ho's", but with the lyrics slightly altered to conform with Hollywood sensibilities.
Her popularity was drawn largely from adult audiences, and the cartoons, while seemingly surreal, contained many sexual and psychological elements, particularly in the 1932 "Talkartoon" Minnie the Moocher (1932), featuring Cab Calloway and his orchestra.
Minnie the Moocher defined Betty's character as a teenager of a modern era, at odds with the old-world ways of her parents.
A ghostly walrus (rotoscoped from live-action footage of Calloway) sings Calloway's song "Minnie the Moocher", accompanied by several other ghosts and skeletons.
"Minnie the Moocher" served as a promotion for Calloway's subsequent stage appearances and also established Betty Boop as a cartoon star.
Originally, Clampett wanted an all-black band to score the cartoon, the same way Max and Dave Fleischer had Cab Calloway and His Orchestra score the Betty Boop cartoons Minnie the Moocher, The Old Man of the Mountain, and their own version of Snow White.
The most notable of these are the dance routines originating from jazz performer Cab Calloway in Minnie the Moocher (1932), Snow White (1933), and The Old Man of the Mountain (1933).
"Cab Calloway would dance his inimitable jazz dance and sing 'Minnie the Moocher' or 'Old Man of the Mountain', and they would rotoscope him, trace him, turn him into a cartoon character, often transforming him into an animal, like a walrus," Selick continued.