Who sings "Want You Gone" by Jonathan Coulton?
What is the name of the singer who sings the Portal 2 song "Want You Gone" by Jonathan Coulton?
According to the Half Life Wikia, it is Ellen Mclain:
It was written by Jonathan Coulton and performed by Ellen McLain.
From lyrics.wikia.com:
Singer: Ellen McLain as the character GLaDOS in the Valve video game Portal 2
More info on Ellen McLain.