Nicholas Groff (born April 19, 1980) is an American paranormal investigator, musician, and television personality. Groff was the lead investigator for the television series Paranormal Lockdown. He was a co-investigator, executive producer, editor and cameraman on Ghost Adventures from seasons 1–10.

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On April 19, 1980, Nick Groff was born in San Jose, California. Raised in New England, he has been fascinated with the paranormal since childhood, because of his passion for horror movies and some inexplicable experiences within his home and family.^[1] Two years after a near-death experience, while at home alone, he says he saw a ghostly black figure. In a 2012 interview, Groff questioned, "Was it my imagination? Or was it something from my accident that made me more open to their world?"^[2]