Bigfoot is a GMO!

Bigfoot is a legendary giant humanoid living in the forest of the Pacific Northwest.  There’s no reliable evidence such as skeletal remains that Bigfoot actually exists, only sightings and footprints that could be faked.  Hence Bigfoot is probably a myth, but there’s no way to prove that something doesn’t exist.
I can’t prove Bigfoot doesn’t exist nor anyone can prove GMOs are safe for every individual under every conceivable circumstance.   Twenty years of uneventful GMO use should be sufficient evidence of their safety, but apparently not for some people.  
Maybe Bigfoot is a GMO himself?   Genetic modification with gorilla and Neanderthal genes would explain his great size and strength.