For many people, there simply isn’t a more hilarious sitcom than Seinfeld. It changed the game when it premiered in the summer of 1989 and showed people that a “show about nothing” could be funny, clever, and addictive. The show made stars out of the four main cast members, and even to this day, the show lives on thanks to reruns, streaming services, and loyal fans who watch the DVDs over and over again.

On Seinfeld, it’s all about the characters. They are a bit dark, plenty sarcastic, and yet always charming. Here are the Myers-Briggs® personality types of the Seinfeld gang.

8. Newman: ENTJ

Seinfeld fans are more than a little bit familiar with Jerry’s enemy number one, Newman. The mailman lives in his apartment building and they’re often giving each other dirty looks. But one character loves Newman, and that’s Kramer.

Since Newman and Kramer are often involved in various antics, that makes Newman’s MBTI® and ENTJ. People with this personality type are “frank” and “decisive.” They also enjoy seeing long-term plans or goals. That perfectly applies to a character who puts a lot of thought into whatever he’s planning.

One of his funniest scenes is when he dreams of moving to Hawaii and lets Jerry deliver some of the mail… and Jerry does such a great job that Newman’s boss knows it was an imposter.

7. Estelle Costanza: ENFJ

George’s parents are some of the most memorable characters on Seinfeld. His mom, Estelle, is particularly amazing. She shrieks more than she talks and she’s always getting worked up about something. (Wonder where George gets his neurotic personality from…) Calling her prone to drama would be a major understatement.

When it comes to her Myers-Briggs® personality, Estelle is an ENFJ. These types are “warm” and “responsive” and they sound like friendly people who enjoy being around others. When Estelle likes someone, she greets them warmly and is always happy to see them. And like most mothers, she always knows what motivates others and pays attention to the emotions around her. If George or her husband Frank bug her, Estelle definitely responds and lets her feelings be known.

6. Helen Seinfeld: ESFJ

Of all of the characters on Seinfeld who could be referred to as “warmhearted,” Jerry’s mom Helen Seinfeld would definitely be one. That’s a word that is associated with the MBTI® type ESFJ, or “The Consul.”

ESFJs want everyone to get along and they will stop at nothing to make that happen. They also like to be appreciated for their efforts. Helen is a typical overbearing mother and she thinks that Jerry is the greatest person in the world. She and her husband, Morty, love that Jerry lets them stay in his apartment when they visit New York and it’s clear that spending time with their son means a lot to them. Similar to George’s mom, if Helen loves someone, she will embrace them with open arms.

5. Susan Ross: ISTJ

Seinfeld superfans know that Susan Ross died for a reason: because the cast didn’t get along with the actress who portrayed her. The truth is that audiences didn’t really connect with the character, either. When George asks her to marry him, it’s a total fluke, and she doesn’t become more likable as time goes on.

When it comes to her Myers-Briggs® personality type, Susan would be ISTJ. Does she ever smile or crack a joke? It definitely doesn’t seem like it. She’s always serious, which is the total opposite of the kind of woman that George, the eternal jokester, should be with.

ISTJs are described as serious; they’re practical and logical. These are traditional people, so it makes sense that Susan is interested in becoming George’s wife, even if we have to wonder if she even loves him since they’re a pretty mismatched pair.

4. Kramer: ENTP

Oh, Kramer. Fans could never get enough of his antics and he has some truly hilarious moments on the show.

His MBTI® is definitely an ENTP as he’s quick-witted and alert, to say the least. Whenever there’s a problem in his way, he brainstorms some out-of-the-box idea to combat it. Kramer also hates to be bored, which is another quality that ENTPs share.

Kramer is always coming up with new business ideas and schemes. Whether he’s working on a coffee table book about coffee tables (so meta) or buying a shower head because he can’t deal with the one in his bathroom, Kramer always fans guessing.

3. George Costanza: INFP

What Myers-Briggs® personality type is George, Jerry’s hilarious, awkward, and constantly frustrated sidekick? He would have to be INFP. This personality type fits him perfectly because INFPs are described as “idealistic” and “loyal.” Even though his personal life is often a mess, George is a great friend to Jerry and is always there for him.

George is also idealistic. INFPs tend to do things based on their values, and George is always coming up with schemes that will help him get what he wants and live the life that he dreams of (which is often an easier life). He figures out a way to nap underneath his desk and he often leaves the office at the end of the day without having accomplished any actual work. And then there’s his crowning achievement: when he eats a pastrami sandwich in bed.

2. Elaine Benes: INFJ

Jerry’s pal (and former love interest) Elaine is one of the reasons why Seinfeld is such a successful show. She’s blunt, funny, and the worst (and yet best) dancer ever.

When it comes to her Myers-Briggs® personality type, she’s an INFJ. These are people who are very curious about the reason why people act a certain way or feel the way that they do. For example, in the season five episode “The Stall,” Elaine just can’t imagine why the woman next to her won’t “spare a square” (give her some toilet paper). When something bothers Elaine, it really gets under her skin and drives her crazy.

1. Jerry Seinfeld: INTP

The man of the Seinfeld hour, Jerry Seinfeld, is definitely an INTP. Since he’s a comedian, he is always observing the people and situations around him, and he always has an intelligent joke up his sleeve. He’s the guy that’s so intuned to things going on around him that he specifically knows what he likes and doesn’t like.

All of the characters on this show could be described as neurotic, but Jerry often takes the cake, especially when he finds something wrong with every woman that he dates. Of course, he’s also charming and easy to love, which is one reason why the sitcom is so beloved after all of this time.