Meet the man who made a cougar Internet-famous. Like, an actual cougar.
In 2014, a cougar named Cassie started an Internet trend when, despite being told not to, she just couldn't keep from squeaking.
Big cat and not-so-big cat lovers everywhere followed suit, making Vines to show off their cats' cheeky lack of cooperation and using the hashtag #trynottosqueak.
Big Cat Derek is the man...