Personality:
•If Mercedes is considered a diva, Rachel could only be called the grandmother of them all.
•Overbearing, hyperactive, self-involved, egotistical and shrewd,
•Often comes off as one of the more annoying girls in the Glee Club, something all the other members have said at one point or another.
•Since supposedly winning her first competition while still in diapers, Rachel's one true desire is to become a famous singing star and she has spent every moment of her life, (obsessively) going for that goal.
•So energized by her ambition that she often speaks at quick pace
•Rachel can also be manipulative in her actions, (such as getting the previous glee teacher fired when she didn't get a solo and using the fact that she has two gay dads, connection to the civil rights union to force a business to get Finn hired for a waiting job.)
•Ironically, has difficulty seeing when other people are manipulating her,( such as when Kurt gave her bad advice to gain Finn's attention.)
•Easily angered for not getting her way, and sometimes will leave the room with a dramatic exit. (Though, as Artie once pointed out, they get less dramatic every time she does it)
•She is not a bad person.
•Deep down, like so many other teens, wishes to be loved and to have friends.
•When others are hurting or feeling rejected, Rachel often is willing to come to their side and offer them help, (even if the manner in which she does it is less than smooth, such as offering Quinn her support and friendship when she found out she was pregnant and was kicked off the Cheerleading team,) despite all the years of emotional torment.
•Rachel is a vegan.
•Rachel's romantic feelings towards certain people, like her core personality, can be in a way scary.
•Upon meeting and singing with Finn for the first time, she became swooned, causing Finn to become obviously fearful for his safety as she sang to him. However, despite her overbearing nature, Finn found himself attracted to her "Swim Fan" personality.
•Also became attracted to Will Shuster at one point, after they sang a duet ballad together, and like Finn, Will became afraid, but for very different reasons.
•The only person who has not shown fear to Rachel's romantic advances was Jesse St. James, who not only welcomed the advances, but returned them, due to their similar personalities.
•He even admitted to being in-love with Rachel, which Rachel admitted in return, after only knowing him for a few days.
•It was later revealed that Jesse was trying to reconnect Rachel and her mother, making it unclear how much of their relationship was real and how much was part of his plot (though it is hinted at that Jesse genuinely cared for Rachel).
•It is discovered that her mother is Shelby Corcoran, the coach of their rival show choir, Vocal Adrenilaine.
•Her mother realizes how much she missed in Rachel's life, and how hard it was trying to continue a relationship that never existed, and decides it was best that they not continue seeing each other.
•Despite Rachel's personality, the members of New Directions care about her.
•When Jesse cracked an egg on her head, the members were furious and threatened to rip his face off.
•She has been trying to improve her personality.
•She lets Sam win, but as Finn pointed out it was, in way, for personal reasons.
•This continues as she offers Kurt some support and invites him to do a duet with her.
•In Special Education, she helps him try for a solo at Dalton Academy, and offers him support during the Dalton Academy Warblers' performance, encouraging him to smile and gives him appalause