there is a common misconception about Rei's three clones. they do not mean the cloths she was wearing at the time. Rei one died when she was young kill by Ritsuko mother. the second died when she killed herself to kill the angle, in that episode she says that there will be a replacement herself....

If you all remember the prog knife is not a standard knife. it moves back and forth rapidly, which gives it the potent power it needs to destroy the angles. anyways, unit 00 the first child's unit had no prog knife in any of the comics or the animes, as for Shinji's unit 01 the prog knife is...