There are several main characters. Kristy is one of the key ones. She's the founder of the baby - sitters club. Then there's Claudia, who is known for her unique style. Mary Anne is also a main character, a bit more shy compared to the others.
Well, in 'The Baby - Sitters Club Book Graphic Novel', you've got Kristy, the leader - type who is always full of ideas for the club. She's very practical and often comes up with solutions to problems. Claudia is the artsy one. Her house is like a haven for the club members. Mary Anne is the more reserved main character. She might be shy at first, but she has a big heart when it comes to taking care of kids. Stacey is from New York and her experience with diabetes makes her story quite interesting. These characters together form the core of the baby - sitters club and their individual personalities create a lot of the drama and fun in the story.