A trademark (also written trade mark or trade-mark[1]) is a type of intellectual property consisting of a recognizable sign, design, or expression that identifies a product or service from a particular source and distinguishes it from others.[2][3]
I would say an animated intro isn’t a trademark, and even then making a movie with that material isn’t copying someone’s trademark for your trademark. But this could get interesting.
After believing Dr. Gregor (the author of that site) for awhile, i don’t believe or trust him anymore. He’s a vegan and I think he’s set on a vegan mission despite him claiming he’s not.