Mae Questel played the role of Louise the Mouse in the 1953 Noveltoons Herman and Katnip: Of Mice and Magic. Louise who is a mouse is a blatant stand-in for Betty Boop, Betty however around that time was long retired. Louise's design and mannerisms are the same as Betty's, but adjusted to have bits of a cartoon mouse. In the character's appearance she performs "Personality" to an audience of mice. She is captured by Katnip, who plans on eating her, but is saved by Herman the Mouse.
When Madam Pompadour was on a ballroom floor,
Said all the gentlemen obviously,
The madam has the cutest personality.
And think of all the books about Du Barry's looks,