McHale described Artie as a "nerd" who loves the glee club wholeheartedly and uses it as a form of escapism. In the third season, Artie, then a junior, directs the school musical and a television special featuring the glee club for the local PBS station.
He also directs Grease along with Finn Hudson during his senior year. He gets accepted into a film school in New York. He later starts dating Kitty, who encourages him to keep their affair secret. But later, she reveals it to the Glee Club as she is sure about her love for him. Though he is the primary candidate for being the valedictorian, he loses it to Blaine as a result of his sacrifice for Tina. He goes to New York after his graduation and joins Film School.
He later is tested positive for chlamydia. He returns to Lima in season six to help Brittany and Santana plan their wedding. After Tina's proposal to Mike Chang is rejected, Artie promises that if they are both single in ten years that they should marry each other.
In the series finale, they are dating once again. McHale joined Glee from a dance background, and found it challenging to adapt to using a wheelchair,  but was able to utilize his dancing ability in the episode " Dream On ", in which Artie dances in a shopping mall during a fantasy flash mob sequence.
Glee's executive producer Brad Falchuk responded that while he understood the concern and frustration of disability advocates, McHale had the singing and acting ability, talent and charisma required for the role. She first appears in the third-season episode " Saturday Night Glee-ver " as a new featured singer in Vocal Adrenaline who is a fan of both Mercedes and Kurt despite being a competition rival.
Wade is a young trans woman , who wants to perform in competition as Unique but she lacks the confidence, until Mercedes and Kurt persuade her.
James decides to build the group's Nationals routine around Unique, and to promote her as a show choir star. Unique is dismayed by the publicity and pressure, but after a pep talk from Kurt and Mercedes, performs and wins the MVP award at Nationals competition, though Vocal Adrenaline comes in second to New Directions. In season four, she transfers to McKinley where she becomes a part of the New Directions. She develops a crush on Ryder, but is too afraid to demonstrate it, so she makes a fake account to get close to him.
At the end of the fourth season, Ryder finds out that Unique has been behind the fake account and he tells her that he will never speak to her ever again. Although, she has felt more confident about herself since she joined the New Directions, she still struggles with others accepting her.
She, along with some of the other members of New Directions transfer to other schools when the Glee Club is disbanded. Unique returns during the sixth season to help and support Coach Beiste with his decision to go through with a sex reassignment surgery.
Newell was a runner-up in The Glee Project's first season, and his prize was a two-episode arc on Glee. A possibility for his eventual character was described during a Project episode as "the lovechild of Kurt and Mercedes".
She begins presenting as a girl in that episode during school hours, despite the pressure she experiences from classmates to appear in male attire. Though some staff or students at McKinley do not recognize Unique for the woman she is, others are more accepting. In the fifth episode, " The Role You Were Born to Play ", she tries out for and is cast in the female role of Rizzo for the school musical, Grease , but Sue Sylvester informs her parents in the following episode, " Glease ", and they pull her from the show.
Later in the season starting from the episode " Feud " , she chats with her crush Ryder Lynn Blake Jenner as a blonde girl named Katie to create a connection between them. In the last episode of the season - " All or Nothing ", Ryder finds out that Unique is actually Katie and because of that leaves the glee club.
Shue makes a deal with Sue that Unique can have a key to one of the private unisex teachers' restrooms and the glee club will stop twerking. She is later transferred to another school by Sue Sylvester as she wants to remove all the remaining members of Glee Club in the school.
Unique returns in Season 6 to support Coach Beiste after his Transgender operation and she is seen in the last performance briefly on stage with Ryder and Joe. Blaine Anderson Blaine Devon Anderson Darren Criss is a recurring character in season 2 and a main character in seasons The character is a love interest for Kurt , though in the episode " Blame It on the Alcohol ", he and Rachel have a brief fling, resulting in Blaine reasserting his identity as gay.
Murphy stated, "Darren has a major, major arc He sort of becomes Kurt's mentor and then maybe love—he had to leave his own school because of bullying and goes to an all-boys academy and finds acceptance because that school has a no-bullying, zero-tolerance policy. During " Original Song ", Blaine realizes he reciprocates Kurt's feeling, and they kiss. The two have their first sexual experience in the episode " The First Time ". Blaine is injured during a confrontation between New Directions and the Warblers, and has eye surgery to repair the damage.
His relationship with Kurt is later strained by Kurt's eagerness to leave for New York after graduation, which would separate the two at least until Blaine graduated the following year, but the two patch things up, and are still a couple at the end of the school year. At the beginning of his senior year, Blaine becomes the lead singer of New Directions and successfully prompts Kurt to follow his New York City dreams.
He becomes best friends with Sam, developing a minor crush on him that he later overcomes and which Sam finds somewhat flattering. Tina harbors a crush on Blaine, but she realizes her folly and becomes his friend. He, along with Sam reveal the cheating done by the Warblers and earn New Directions a slot at Regionals, which they eventually win.
He later reconciles with Kurt and proposes marriage to him, getting help from several other show choirs. After graduation, he moves in with Kurt in New York. But later, both of them decide to have their own space for some time and Blaine decides to share a room with Sam, who has also moved to New York.
June takes interest in Blaine and decides to organize a one-night-only show for Blaine. Blaine wants to involve Kurt in it but she refuses. Blaine lies to Kurt and tells him that he will also gets to sing a song in the showcase. When Kurt discovers the lie, he is very upset, but they ultimately reconcile and Kurt decides to support his fiance.
At the showcase, Blaine invites Kurt to perform a last duet with him much to June's dismay, but she enjoys the performance and praises them. Blaine later moves in with Kurt. Kurt eventually breaks off their engagement because he does not feel ready for marriage. He returns to Lima and starts coaching the Warblers and he also starts to date Dave Karofsky, which comes as a shock to Kurt when he realizes he still loves Blaine and goes to Lima to get him back. Blaine later gets trapped in an elevator with Kurt, as part of a plan of Sue to get them back together, and she demands they kiss each other to get out, which they eventually do.
They kiss again when they sing together during Rachel's house farewell party. Blaine later breaks up with Karofsky and gets back together with Kurt. They get married along with Brittany and Santana. After five years, both are successful actors, and they also give performances for the LGBT community and teach the students in schools to accept everyone.
They are about to become fathers, with Rachel as their surrogate. She is introduced as the new football coach for the McKinley High Titans in " Audition ", the premiere episode of season two. She comes to William McKinley High with an enviable record of coaching successful football teams, and Principal Figgins Iqbal Theba boosts the football program budget for her by reducing the cheerleading and glee club budgets, which alarms coach Sue Sylvester Jane Lynch and director Will Schuester Matthew Morrison , respectively, and drives them into a temporary alliance against her.
Beiste is dismayed by their rudeness, but forgives Will when he apologizes and goes on to develop a friendship with him. Will has the students apologize and earn her forgiveness.
She orders her football team to play the Jets in the show. In the episode " The First Time " she begins dating Ohio State football recruiter Cooter Menkins Eric Bruskotter , who is scouting for talent at McKinley,  but discovers in " I Kissed a Girl " that Sue has become her rival for Cooter's affections just as she comes to realize that she loves him, thus prompting her first solo song, " Jolene ".
Although initially convinced by Sue and Roz Washington NeNe Leakes to leave for her own safety, Beiste later returns home and gives Cooter a second chance,  though she does ultimately leave him and gives him back her wedding ring. Will finds a match for her, Ken Tanaka, whose job she took over. In season 5, she helps Puck move on after Finn's death. In the sixth season, after having trouble coming to terms, Beiste comes out as transgender and although he gets backlash from rival schools, Will, Sam and Unique help him make the transition from Shannon to Sheldon.
He is also seen in the last performance of the show. One article described Beiste as a "wounded giant—a year-old who'd never been kissed", and Jones's portrayal of her as "humorous and heart-wrenching".
She knew very little about the role initially: Rachel Berry Rachel Barbra Berry Lea Michele is the lead character and is a "strong, driven" member of the glee club, who is misunderstood by her peers. She briefly goes out with his best friend Puck ,  and later dates Jesse St. James Jonathan Groff , the lead singer of rival glee club Vocal Adrenaline, who ultimately betrays her in favor of his club.
At the end of season two, they renew their relationship after Nationals in New York, though Rachel warns Finn she will be returning to New York for good after she graduates. After graduation, on the day of their wedding, Finn drives her to the train station and announces she will be going to New York without him. Santana, who has moved to New York and is staying with Rachel and Kurt, is suspicious of Brody; she initially believes he is a drug dealer, but later discovers he is a male escort, and gets Finn to come to New York and confront Brody.
Brody and Rachel break up. Rachel auditions for Funny Girl and she gets the role. Finn's death affects her greatly. Rachel's friendship with Santana is fractured when Santana auditions to be her understudy and is given the job.
The two reconcile after they both return to Lima when New Directions is disbanded by Sue. Funny Girl opening night is a great success, but she later leaves the musical to be in a TV show. The show is cancelled after a single episode; she gets depressed and returns to Lima and tries to revive the glee club with the aid of Kurt, who is on leave from NYADA. After a successful season with New Directions, she asks to be reinstated at NYADA, and ultimately chooses to return despite being offered another role on Broadway.
She also gets back together with Jesse, whom she later marries. In , she becomes a surrogate mother for Kurt and Blaine, and wins a Tony award, thanking Will for his support. During the fourth season, Mike visits McKinley from the Joffrey on four occasions: She goes on a date with Artie, and confesses to him that she has been faking a speech impediment since the sixth grade, explaining that she wanted to drive people away, but now that she's a part of the glee club, she no longer wants that.
Their relationship continues through the end of that first year. Tina and Mike Chang are counselors at Asian Camp over the summer, and they fall for each other; Tina formally breaks off with Artie at the beginning of the second season, and she and Mike are still in love when the school year ends, the only relationship in the glee club to survive the entire school year, and the longest unbroken relationship between the members since the club was formed.
In the third season, her junior year and his senior year, she helps Mike when he decides to try out for the school musical and then to apply to dance school, and tells Rachel and the other girls that she had sex for the first time with Mike over the summer, losing her virginity. Tina breaks up with Mike over the summer after he graduates. She develops a brief obsessive crush on Blaine, but it is later diminished and turns into a close friendship.