Second year grad student in Peace studies and full time comic enthusiast. X-Men was my first love

Revenant

Psychic Mutant with the ability to hide from people's senses.  Sight (invisibility), Smell, (no Scent) Touch (phasing), Taste (not used as much, but no taste) and hearing (moves silently).  Also immunity from your "6th sense" psychic detection.  His abilities make him a great spy and other missions that require stealth.