Carol Danvers
When she possessed Carol Danvers' psyche, her "dual" psyche made her highly resistant to telepathic probes, even those of Charles Xavier, which was said to have been a byproduct of two minds existing in one body and/or Carol Danvers' human/Kree physiology. The Ms. Marvel psyche was eventually separated from Rogue's in a subsequent issue, and it was destroyed by Magneto.