Tina Cohen-Chang is a fictional character from the Fox musical comedy-drama series Glee. The character is portrayed by actress Jenna Ushkowitz, and has appeared in Glee from its pilot episode, first broadcast on May 19, 2009. Tina was developed by Glee creators Ryan Murphy, Brad Falchuk and Ian Brennan. Initially, she is a shy and insecure performer with a fake stutter, and member of the glee club at the fictional William McKinley High School in Lima, Ohio, where the show is set. As the series progressed, she became more independent and confident. She changes to a sassy and outspoken person starting in the fourth season premiere, which become her permanent personality for the rest of the series.