Best: Tipper. She looks great and I adore her natural design!
Worst: Naomi. I'm not a fan of her, I don't like her design actually. I remember that I had her in my ACNL town once.
I really like Tipper's design as well as Norma. I'd totally take on either of them! I've never actually seen Patty in the game but she seems nice too. For the worst, Naomi is not my favorite. Nothing against her, but the design just doesn't jive with me. Unfortunate color combos and odd hair choices ruin so many otherwise great villagers.
I voted for Tipper as I like her design and how it resembles the species really well, also she's snooty so she has the best personality to me. I do also like Norma and Patty as they both look quite sweet, though I wish Patty's design looked more like a highland cow as she's the right colour for them.
My least favourite is Naomi, I think her blue colouring is nice but I really dislike her eyes - not sure if her eyes are red or if it's just make-up but she always reminds me of a demon cow.
Absolutely loved Tipper when I had her! Her design is a classic and her home is really great, inside and out. I’ve never been as sad for a villager moving out in NH than her.
None of the cows are unappealing. Least favorite would be Naomi, just because she’s a bit on the bright side compared to the other three.
Tipper! She's classic. I liked her so much I even traded for her amiibo a few years back. Always wanted to make a farm town with all the less popular barnyard animals... they don't get enough love.
Naomi is my favorite. Honestly, I really like all of the cows and I think they have cute designs, but Naomi has such a unique design that I quite like.
Aww poor naomi. I really think the cows are mostly fine. There are so few of them that you end up seeing them too much on your island hopping excursions, and I really don’t understand why they are a separate species from the bulls (unlike say they deer, where the males have antlers and the females don’t but they are still treated as one species.
I have never had a cow on my island, and none of them are a top favorite of mine, though it is hard to say it is the species when there are only 4 designs. I’ve considered inviting all three before and generally like them more than I like any of the bulls (I tend to like more female villagers and more of the female personalities anyway)
Naomi is almost cute to me...but as others have mentioned her eyes are so strange. It makes me think of pink eye, or that she is a zombie. But I also really hope someone will choose her as their favorite.
Naomi is my favorite cow because I really like her bright colors! She looks like she'd be a high-end fashion designer, which suites her snooty personality well. I also like Tipper and Norma!
The only cow I don't like as much is Patty. She's just a little too bland for my tastes.
Tipper! She was a visitor at my campsite, but I didn't invite her because I already had two Snooties. I regret it and think about her often. Norma's pretty cute, too.
I hated Naomi's look at first, but I met her on a mystery island and finally took her back home and I'm very happy with her! I love her blue colour, it's original and cute! The other cows are nice too, maybe not Tipper (I dislike her eyes) but Norma is really cute!
Worst: was gonna say patty only bc she REFUSED to leave my island of five months, but I think she ties with norma who I wanted but mixed up with ursala somehow and I haven't like her since.
also the normal personality is kinda bland imo.
She looks like she'd be a high-end fashion designer, which suites her snooty personality well. 
