Daisy Duck (mid 1999-2004, mid 2018)

Daisy Duck was created by the Walt Disney Company and, like her boyfriend Donald Duck, she is a short, anthropomorphic duck with a yellow-orange bill, legs, and feet. Her iconic outfit consists of a huge hair bow on her head, high heels, and a blouse. However, unlike Donald, she can sometimes be seen wearing long dresses to cover her bottom half. She is known for being a diva who likes shopping and has a love for being in the spotlight, wearing the latest clothes of fashion.

Unfortunately, she was flanderized in Mickey Mouse Works, Disney's House of Mouse, Mickey's Twice Upon a Christmas, and Legend of the Three Caballeros.

Why Donald Duck Broke Up With Her (Bad Qualities)
NOTE: This only applies to how she was portrayed during Mickey Mouse Works, Disney's House of Mouse, Mickey's Twice Upon a Christmas, as well as Legend of the Three Caballeros.

Overall

 * 1) She was flanderized from being a kind, supportive, mature, and loving girlfriend of Donald to being a spoiled, selfish, abusive girlfriend to Donald.
 * 2) She is abusive to Donald and treats him like a slave rather than a boyfriend to the point where she barely cares about him.
 * 3) Not only is she a bad girlfriend to Donald, but she's also a bad friend to Minnie too.
 * 4) She only cares about being the center of attention and never her friends.
 * 5) She constantly annoys her friends and almost never apologizes for her actions.
 * 6) She is also incredibly stupid and airheaded as well.
 * 7) She would then get flanderized again, but only worse in Legend of the Three Caballeros.

Mickey Mouse Works

 * 1) She became obnoxious, immature, bossy, excessively talkative, and annoying to her friends.
 * 2) She became a bad friend to Minnie, as she constantly annoys her and takes her for granted.
 * 3) *In "Daisy Visits Minnie", she inconsiderately invites herself to Minnie's house and orders her around in her house, and acts very entitled to just about everything.
 * 4) *In "Minnie Visits Daisy", she ignores Minnie, who constantly tries to get her attention when she brings the apple pie for her that she asked to taste and causes her a lot of misfortunes and gets her arrested, but thankfully, Daisy gets her comeuppance when Minnie slams the pie in her face through the inmate phone.
 * 5) *In "Daisy's Big Sale", she causes Minnie a lot of misfortunes by making her test her made-up bows and doesn't notice how Minnie is feeling about it.
 * 6) *In "Daisy's Road Trip", she once again invites herself on Mickey and Minnie's date and puts them through hell by talking too much, punching them, and making them stop the car multiple times so she can go shopping. In the end, she left Mickey and Minnie behind.
 * 7) She has a tendency to overstay her welcome, often annoying her friends.
 * 8) She acts like she is entitled to everything and invites herself to her friends' places and bosses them around.
 * 9) She tends to treat Donald badly at times.
 * 10) *In "Double Date Don", she tells Donald to build a brick wall so Clara Cluck won't spy on her when Daisy is shown spying on Clara multiple times, and jumps to conclusions about Donald cheating on her and not listening to his explanations.
 * 11) *In "Whitewater Don", she invites herself to Donald's fishing trip, thinking they're going on a romantic date, when Donald was literally going to go fishing by himself and ruins his fishing trip, such as throwing the fish back in the water and not noticing the predicaments he goes through.
 * 12) *At the end of "Donald's Dinner Date", she ungratefully blames Donald for the miserable service she had at the restaurant which Donald took her to for their dinner date when it's entirely the fault of their incompetent waiter Goofy.
 * 13) She is shown to be a hypocrite in "Donald's Dinner Date", as despite threatening to dump Donald for having a bad temper, later when the two go out to dinner where the incompetent Goofy served as their waiter, while Donald tries his hardest to control his temper despite Goofy's incompetence frustrating him to no end, Daisy seems to get progressively irritated and angrier as Goofy continuously screws up on the job as their waiter as the cartoon progresses. So much so that when Daisy's anger reaches a boiling point by the end, she ends up throwing a huge temper fit like Donald and even blaming Donald for the miserable service she had at the restaurant when it's entirely Goofy's fault, to begin with.
 * 14) She almost never notices the inconveniences she causes for her friends.
 * 15) She almost never gets her comeuppance for her actions, which makes her a Karma Houdini.

Disney's House of Mouse

 * 1) She's just as bad as she was in Mickey Mouse Works as she is portrayed as even more egotistical, childish, and inconsiderate.
 * 2) Whenever she performs, it's usually rewritten as a Disney parody in her own delusions,
 * 3) In "Ladies' Night", she and Clarabelle destroy Minnie's scheduled phone, so they can have fun rather than take care of their responsibilities, showing how selfish she is.
 * 4) In "Unplugged Club", she slaps Donald when he kissed her, even though he's her boyfriend!
 * 5) In "House of Turkey", she constantly pesters the guest of honor Mr. Turkey to do his signature gobble despite him refusing to do it all because she's a huge fan of it, ignoring the fact that his gobble is what drives the hungry Gus Goose and the entire audience to want to catch and eat the turkey!

Mickey's Twice Upon a Christmas

 * 1) She is way worse than she previously was in both Mickey Mouse Works and House of Mouse, almost on par with her counterpart from Legend of The Three Caballeros, due to the following reasons as described below.
 * 2) In "Belles on Ice", she is once again abusive to Donald as she mistreats him by shutting his beak when he was talking and snatching the bell away from him when he rang it and she tries to steal the spotlight from Minnie, starting their feud. But she later apologizes to her but doesn't apologize to Donald for her abusive nature towards him.
 * 3) At the end of "Christmas: Impossible", she outright laughs at Donald when he received The Big Book of Manners, a Christmas present which he doesn't like, only because she finds it amusing, hence showing no concern towards him.
 * 4) In "Donald's Gift", she did much worse things than in both the segments "Belles on Ice" and "Christmas: Impossible", where here she forces Donald to go to the mall with her and his nephews, even though he was tired from going outside and only wanted to relax and enjoy his hot chocolate. She literally blames him for damaging the display when she forced Donald to come along and didn't even care that Donald wanted to relax and once again, doesn't apologize for her behavior towards him. She even called Donald a "grump."
 * 5) While she still has a nice design and the CGI animation used on her isn't all that bad, it looks rather meh, cheap-looking, and uncanny at times, akin to an early Dreamcast, PlayStation 2, Game Boy Advance, Nintendo GameCube, or an Xbox video game character.

Legend of the Three Caballeros

 * 1) She was once again flanderized from being a kind, supportive, and mature girlfriend of Donald into a Mr. Goodman/Mr. Krabs wannabe who pretty much doesn't care for Donald. In fact, this is the fourth time she was flanderized badly, except here in Legend of the Three Caballeros, her Flanderization has gone WAY TOO FAR THIS TIME.
 * 2) She never sympathizes with Donald and cares less about his thoughts, even worse than in previous incarnations.
 * 3) *In episode 1, she berated Donald for not picking her up for his birthday and didn't even give him a chance to explain the reasoning and his misfortunes and just outright breaks up with him, even when his house was burning down. She also ignored the fact that in that very same episode Donald is urgently called into work by his boss on his birthday under threats of getting fired.
 * 4) She barely treats Donald like a boyfriend and treats him more like a punching bag, which her previous three bad incarnations as mentioned above wouldn't even go that far.
 * 5) She cares more about her date with Donald than him saving the world from danger, showing how selfish and inconsiderate she is.
 * 6) *In fact, she believes she deserves all the attention from Donald.
 * 7) *Heck, in episode 5, when Donald is forced to leave his date with Daisy by Xandra to stop the Lava Lizard Queen, she leaves a letter for him about her breaking up with him again, coldly tells him never to contact her again, and even leaves him with the expensive check when he came back to the restaurant. Like wow!
 * 8) She is hypocritical, as she thinks of Donald as "angry, undependable, and selfish", when she is clearly shown to be angrier, isn't there for Donald, and doesn't care about his feelings.
 * 9) *To be fair, in the original shorts and all other entries outside Legend of the Three Caballeros (even including both Mickey Mouse Works, House of Mouse and Mickey's Twice Upon a Christmas), Daisy is also shown to have anger issues almost as bad as Donald's, if not worse, but not to this extent of being mean and heartless, making this out of character for her.
 * 10) She even counts as a Mary Sue.
 * 11) She even showed up at his house with her new boyfriend, Dapper Duck (Donald's lookalike from the Donald Duck cartoon "Donald's Double Trouble") just to make Donald jealous by rubbing it in his face, despite her breaking up with him.
 * 12) Her mistreatment towards Donald throughout the series ends up bringing out Donald's worst traits of rather than his best traits, which highlights further how toxic she really is;
 * 13) *In episode 5, because of how Daisy dumped him at the beginning of episode 1, Donald becomes a complete suck-up to Daisy during their date at Chez Quackmore in order to make it up to her, despite the latter obviously being in the wrong in said episode, going so far as to neglect his duties to help his friends to stop the Lava Lizard Queen for Daisy's sake, forcing Xandra to forcefully abduct Donald from their date so that he could help them save the world, much to Daisy's frustration. And when Daisy dumps him for the second time and leaves him with the expensive check when he came back to the restaurant, it results in Donald throwing a massive temper tantrum and destroying the entire restaurant out of rage.
 * 14) *In episode 6, Donald, still sore over his previous break-up with Daisy, refuses to co-operate with his friends at the start of the episode, at least until when he, Jose and Panchito are thrown into Goblin Jail. He even briefly takes out his anger on Panchito by blaming Panchito for his predicaments when the trio are thrown into Goblin Jail, which Jose calls him out for.
 * 15) She is seen as a desirable person for Donald, which many viewers disagree with, due to her abusive and spoiled nature and says Donald should find a better girlfriend.
 * 16) *Speaking of which, her actions make her come off more as an antagonist than a love interest to Donald, enough to make her previous three flanderized incarnations as mentioned above seem like a more desirable girlfriend to Donald in comparison. And worse, she isn't even supposed to be an evil villain in this show unlike Lord Felldrake Sheldgoose and Baron Von Sheldgoose, which makes her even more unlikable.
 * 17) She never gets her comeuppance for her actions, which makes her a Karma Houdini.
 * 18) Due to all of these traits, she's a mean girl.

Overall

 * 1) She has a nice design, as per usual for a classic Disney character.
 * 2) She is still likable outside of these entries.
 * 3) Her voice actors, Diane Michelle and Tress MacNeille did a decent job voicing her.
 * 4) These were at least attempts to give Daisy more of a personality with a comedic edge beyond being just "the love interest of Donald Duck", albeit with botched results. But other Mickey Mouse-related media have done this attempt correctly like in the movies Mickey's Once Upon a Christmas and Mickey, Donald, Goofy: The Three Musketeers, and the TV shows Quack Pack, The Wonderful World of Mickey Mouse, and the DuckTales reboot.

1999-2004

 * 1) She was massively redeemed after these entries where she got her old personality back beginning with Mickey, Donald, Goofy: The Three Musketeers, Kingdom Hearts II and especially Mickey Mouse Clubhouse (though she got flanderized again in Legend of the Three Caballeros). Better yet, Daisy's characteristics have considerably improved in Mickey Mouse's Mixed Up Adventures, Mickey Mouse Funhouse and both the Mickey Mouse and DuckTales reboots after recovering from her flanderization in Legend of the Three Caballeros.
 * 2) *Bobs Gannaway, who worked on both Mickey Mouse Works' and House of Mouse, eventually learned from his mistakes and therefore undid her flanderization and returned Daisy to her old personality when working on Mickey Mouse Clubhouse.
 * 3) Of all of her four "flanderized" incarnations here, her character is arguably the least bad (or the most tolerable) in House of Mouse, though that isn't saying much.
 * 4) She has moments where she cares for her boyfriend Donald and her friends.
 * 5) Despite her notable decrease in intelligence in comparison to her original counterpart, there are also moments in the first two entries where she is more intelligent and level-headed than her more impulsive boyfriend Donald who often tends to resort to temper tantrums, which clearly is more evident in House of Mouse. A good example of this is in the House of Mouse pilot episode "The Stolen Cartoons", where she points out to Donald how there is a lot more responsibility in running the entire House of Mouse nightclub than just changing its name to the "House of Duck".
 * 6) She at least sometimes apologizes to her friends if she realizes her wrongdoings.
 * 7) There are several occasions in both Mickey Mouse Works and House of Mouse were she does receive comeuppances for her actions;
 * 8) *In the ending of the Mickey Mouse Works episode "Double Date Don" she finally realizes her mistakes and made it up to Donald for her actions when she finds out that Donald is getting married to Clara Cluck right after the former dump him under false accusations of cheating on the latter, where it ends with Donald receiving Daisy's hot tub as he wanted for Valentines while Daisy builds the brick wall herself, much to the latter's dismay.
 * 9) *In the ending of the Mickey Mouse Works episode "Minnie Visits Daisy" Daisy gets her comeuppance when Minnie slams the pie in her face through the inmate's phone.
 * 10) She has funny moments in the first two shows.
 * 11) She sacrifices her duet with Mickey for Minnie after realizing she wanted to spend time with her boyfriend in the House of Mouse episode "Daisy's Debut".
 * 12) The first two entries wouldn't be as great as it is without her.

2018

 * 1) She gets back together with Donald in the series finale.
 * 2) She's a skilled puzzle solver.
 * 3) She still loves her adorable nieces, April, May, and June.
 * 4) She was a much more likable character in all other entries outside Legend of the Three Caballeros and has massively redeemed herself once again outside of this show.
 * 5) *A lot of fans really appreciated Daisy Duck in Ducktales (2017) and Paul Rudish's The Wonderful World of Mickey Mouse because the producers removed any traces of mean girls to make her a more likable character. The same goes with Mickey Mouse's Mixed Up Adventures, Mickey Mouse Funhouse.

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