[2] The protagonist is a "Li'l Sambo" type blackface character who exhibited common racial stereotypes in speech, intelligence and fear of the supernatural.

The African-American weekly newspaper The Pittsburgh Courier objected strongly to the cartoon, especially because it was run in Los Angeles alongside the March of Time short Americans All, on the theme of fighting prejudice and stereotypes.

The cat then disguises itself as its own ghost, painting itself white and donning wings and a halo, and proceeds to "haunt" Sambo by repeatedly sneaking up on him and whispering "boo."

Hill wrote, "Basis for the spontaneous protest by the long and patient suffering Negro theater-going public were the many forth-right expressions of condemnation regarding Warner Brothers' animated cartoon Angel Puss.

It has since been learned that the Warner Brothers had ordered the somewhat considered controversial Americans for All to be shown in each of their theatres throughout the country as a contributory effort towards breaking down the evils of race prejudice.