In continue of the other text, I want to talk how are the characters. And how has been the first season and is being the second season.
The principals characters in the first season:

   - Finn Hudson : he is the capitan of the football team and since he entered in the club, he become on lead vocals male. He is a confused guy about love but he solving most of the problems related with the songs.









-Rachel Berry : She is a manipulative and she is misunderstood by the group. She has a beautifull voice and she sing most of the songs. 

-Kurt: He is a sensible person , he belive in him self. He has some problem cause of he is gay, with the people aren´t of the club.

Will Shuster: He is the teacher of the Glee club. He a oldfashioner about the songs . He hepls the member of the Glee club to coninue, he teach them , not only "the concepts" , he teach them how live life.

Noah Puckerman (Puck): He is the bad boy in the institute but with the members of  the club, he show his real side : A cheerful and compasive person. 

       Sue Sylvester:  She is the enemy of the Glee club. She believes who she is the best of the world and she makes life miserable for the glee club. She is a proud person and a sportswoman.

Mercedes Jones : She has a powerfull voice and  she at first takes bad with Rachel because both want the singles. She is the best friend of Kurt.

 Tina Turner: She rarely sings alone  . She is a shy person.

 Artie Abrams : He is in a wheelchair but play the quitar  and has a good voice. 

The characters of the second season: 

 Sam Evans : He is a loyal alnd charismatic person. He has a splendid voice. He dances well . Also he is a romantic boy and does everythin possible to please his girls.

 Quinn Fabray: She dances and sings well because she is a  cheerleader of the secondary. She is the rival of Rachel.

 Blaine : He is the principal singer of the other school but he is very goog friend of Kurt , Mercedes and Rachel. He dances and sings very well . And he  is gay too.

 Brittany : She too is cheerleave and she is the best dancing but she quite silly by nature. Too she is the most fashonable girls in the secondary.

Santana : She is a spiteful and teacherous girl. She is cheerleave too. She has been with many of the students. She hates Rachel because her character cause in hers a bad feeling. She show to other person her harsh side, but in real she is sensible and weak.

They are the most important characters in the serie but if you want know more about them and the serie you can see Glee on Neox or Fox . 

I hope you like this.