Jenna Ushkowitz and Kevin McHale team up in this promotional poster for Glee. They are supporting, key members of the club.
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Kevin McHale is not actually handicapped. But he plays a singer in a wheelchair on Glee.
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Glee Quotes

I'm gonna miss all of you. I love you guys.

Puck

Blaine: We don't lip sync in Glee
Brittany: My voice is too weak to sing live. I've been up every night this week yelling at the shrubs in my yard that have been making fun of me.