One of the Oldest Disney characthers (now the defacer's of Star Wars) the Big D the House of Mouse.

Clara Cluck is a chicken, who in the classic cartoons is a opera singer, there's some innuendos about her huge chest (she flaunts then a lot), in a House of Mouse shorts she wears a Flapper dress and later on a lingerie set to seduce Donald (he's not in the training because he's can bring some heat to my profile_.

If you want to check her personality and more outfits, check her on Disney Comics, they are popular in South America and Europe.

In the comics she's the neighbor of Daisy and Minnie, she's a bit of a gossiper and she enter into fashion figths whit her friends, she don't have a comic of her own (Fethry duck has a comic of his normal self and heroic persona and even Hard Haid Moe has one, but Clara doesn't), so you can find some stories/comics featuring her in Donald/Daisy and the Almanac release with sorted stories.

Lady Kluck is not Clara, both are Chickens but Lady Kluck is clearly different from Clara Kluck

More info:

https://disney.fandom.com/wiki/Clara_Cluck