The man's hilarious reaction has generated a lot of attention online, as it's already been viewed more than 11.8 million times on TikTok.
Other shows of support for the stricken Bills star include a vigil outside Highmark Stadium and millions of dollars' worth of donations to Hamlin's charity GoFundMe page.
Police dived in after the teenager, but were unable to save him.
The car, which a woman's body was rescued from last Wednesday, appears to have gone over the falls Saturday night amid heavy winds and rising water in a storm.
Police said the unidentified woman in her late 60s who died in the car appears to have driven into the river on purpose, and the investigation is ongoing.
A rescuer, equipped with an ax, a yellow helmet, goggles and a snorkel, swayed to and fro in the wind as they tried to reach the submerged car.
Despite evidence to the contrary, some fans viewed the video as proof a second season is on the way..
The woman, named Tianna Natasha McPherson, is facing accusations of assaulting, resisting or impeding a U.S. officer.
Zhao Yan was mistaken for a drug smuggler and received bruises to her face during her arrest at the U.S.-Canada border in 2004.
Kirk Jones was the first person to survive the drop from the falls without a safety harness in 2003.
"If a guy can do it, a girl can do it too," said Nik Wallenda's wife, who broke her husband's world record.