A nightcrawler is a type of earthworm. Great for fishing. Helps your lawn by eating and decomposing the grass clippings. Great protein too if you are starving. LOL
Maybe you mean the movie? Seems to be a lot of answers and not just the worm. Is this it? It's also a comic book too. Nightcrawler (2014) - IMDb
Since you said paranormal, maybe this?
No, I've heard it related to paranormal stuff.
Member of the X-Men, Son of Mystique. Kurt Wagner was eventually abandon and adopted into a circus and eventually found by Charles Xavier and asked to join the X-Men. His back story line is much more interesting then this abbreviated version. He can Teleport and cloak his presence near shadows.
Full Bio - http://marvel.com/universe/Nightcrawler