Arianne

Arianne is the singer of two songs from Evangelion. One is Komm, süsser Tod, Come Sweet Death, which was used in The End of Evangelion once Third Impact begins. The other song, not used in the series, is Everything You've Ever Dreamed.
Both Komm süsser Tod and Everything You've Ever Dreamed are composed by Shiro Sagisu, and adaption into English was by Mike Wyzgowski from Hideaki Anno's original Japanese lyrics.