The Myers-Briggs test helps categorize these personalities to reveal similarities and differences among the characters.

Thomas, David A., and Emily Heaphy. "Personality Types: The Myers-Briggs Type Indicator (TN)." Harvard Business School Teaching Note 498-069, March 1998.

The Myers-Briggs Type Indicator (MBTI) is a test you can take online to figure out your personality type. You answer a bunch of questions, and then you’ve given one of 16 types. It’s a lot of ...

MBTI simplifies personality types into categories like introverted/extroverted, making it easier to understand and apply to TV characters. Characters like Sheldon ...

Which means that, yes, there are 16 unique personality types up for grabs. And, sure, you could take the MBTI quiz yourself ... your favourite Wednesday characters – and maybe (fine, definitely ...

However, when he heard that Shin Hyun-bin's MBTI is ENFJ, he was surprised ... Having seen many characters like that, maybe I had some preconceptions?" Shin Hyun-bin said, "That could be true ...