He sounds like a lot of fun. If I could take biology again without it costing an arm and a leg I'd enroll in his course just to see this stuff first hand.
I had a pretty cool biology professor too though. He never let any profanity go but I could tell that he was sincerely excited about the content and it helped get me into it. It was still a challenge but it was interesting information the way he presented it. He even let us see some of his independent work he would do outside of our labs which was really cool.
But yeah, Dr. Marvin would have been on an Facebook recording within the first hour of lecture and fired by the 2nd... lol
We're just too sensitive nowadays.