Island live in Animal Crossing: New Horizons just wouldn't be the same without some of the staple special villager characters. It's hard to imagine spending even a day in the game without seeing Isabelle or Tom Nook, let alone actually interacting with a special villager in the first place.
These special characters basically make the foundation of the game, with the services and gameplay features they provide. However, they're more than just that. They also have cool personalities and unique designs, each of which could be roughly categorized by a D&D alignment.
10 Lawful Good: Isabelle
There's no question about Isabelle being the ultimate Lawful Good villager. All she wants is for people to simply get along and have a good time on the island. As such, she tries to ensure that rules and basic boundaries are always being respected.
Lawful Good characters are like this, too. They want to use the power of law to do good in the world, and ensure the well-being and happiness of others.
9 Neutral Good: Blathers
Neutral Good is a difficult alignment to characterize. People in this category tend to respect rules when they absolutely need to be respected, but they're also not beyond considering working outside of the law. Blathers is the first that comes to mind in this case.
The reason why he's neutral is because he does consider buying some fossils for his own collection at times, but always pulls himself together at the end. He has that drop of neutrality, a sliver of human error.
8 Chaotic Good: K. K. Slider
K. K. Slider is what represents to many the rebellion against institutions and capitalism. Although his songs are not available for free, the fact that he often preaches against the music industry and its rules makes him a free spirit that strives for fundamental good.
However, K. K. isn't bound by rules and laws. His mentality implies he likes to work outside of them and does what he believes is right regardless of whether it's the law or not. This is the mode of operation of most Chaotic Good characters as well.
7 Lawful Neutral: Orville
Lawful Neutral characters are often followers of a set of code, put into place by a company or an institution. They follow these rules and guidelines no matter what, whether are good or bad. In that sense, they have a deep loyalty to whatever code they follow.
Orville is a fantastic example of this. He follows the guidelines of Dodo Airlines, which isn't good or bad as a company. Its main purpose is to just fly people from one location to another, and so he focuses on regulations of the company itself.
6 Neutral: Flick
Neutral, or also known as True Neutral, is a character type which is very difficult to explain. Essentially, Neutral characters are completely free from any institution or set of rules, other than the ones that they've made for themselves.
As such, monks and other philosophical characters might fit this category. Flick, too, somewhat fits in it. His main obsession is bug catching, and that's all he really cares about. The rest for him doesn't have any importance.
5 Chaotic Neutral: Saharah
One of the most popular alignments is definitely Chaotic Neutral, which is a personality type often seen on wandering traders or rangers in Dungeons & Dragons. These people might follow laws or they might not follow them. The choice is always relevant to the situation at hand.
Saharah fits this type the best due to her wandering trader trope. She's independent, her main concern being the sale of her items. However, she also wants to give more to the player by providing her special vouchers. As such, she's more Chaotic than True Neutral.
4 Lawful Evil: Tom Nook
Let it be clear that there are no evil characters in Animal Crossing, only slightly selfish or annoying villagers. Tom Nook is definitely one of them, as he's the one who basically tricks the player to come to the island and introduces a bunch of loans.
Tom uses his position of power as the richest villager in the universe to achieve what he wants, which is more profit and more development. It's all about his wealth and his pockets at the end of the day.
3 Neutral Evil: Redd
Neutral Evil characters are some of the easiest antagonists to classify, because they're defined by one key feature: selfishness. They pursue profit above all other things, and only seek to do harm in cases where they have something concrete to gain from it.
Redd is an ideal Neutral Evil character, due to his readiness to trick the player with fake art pieces just so he can make a sale. He doesn't care about fairness or truth. Redd just wants to grow his business, no matter the cost.
2 Chaotic Evil: Zipper
Chaotic Evil is a character type that really doesn't have a place in a game like Animal Crossing. No character in the game takes enjoyment from watching others suffer, which is why it's one of those alignments that are difficult to define.
The closest to this would probably be Zipper T. Bunny and his Bunny Day fiasco, which drove players insane. Zipper hid eggs just about everywhere, making it impossible for players to catch regular fish for example. It's almost as though Zipper enjoyed watching players struggle during his Bunny Day event.
1 Neutral: C. J.
C. J. is another Neutral character, similar to Flick. His intentions beyond the obvious are pretty hard to define, but it's safe to say that he doesn't care about much more beyond the obvious, which is catching fish and fishing in general.
C. J. doesn't seek to do good or bad. He's only focused on his own way of life, and it shows in how he treats the player in general.