Helms, who posted the clip to Facebook on Wednesday, said he initially didn't believe what he was seeing, WFTS reports.
"I didn't know if we were being punked or something," Helms told WFTS.
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Some online viewers of the video shared the sentiment.
"I've heard of this golf course but this video looks a little off," YouTube user Kuyozi wrote. "The way the gator moves looks like a loop, and the shadow isn't consistent with the camera man."
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"Why so many likes? People are gullible idiots I guess," added user Jotaro Kujo.
For what it's worth, a golf course employee told KSNV that the big guy is real – and a longtime resident of the course.
"He has been here for a very, very long time; he's not new at all," said Wendy Schofield, a clerk at the golf course's pro shop. "There have been guesses that he's 15 to 16 feet long."
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She added, "He doesn't bother anybody and they don't bother him. He's like a mascot for the course."
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