Penn State's Anthony Zettel wears Halloween mask during postgame interviews

STATE COLLEGE, Pa. -- Don’t tell Penn State’s Anthony Zettel he won’t do something.

The 284-pound defensive tackle already does a mean Bigfoot impersonation and tackled a tree earlier this season. So when a teammate told him Saturday he wouldn’t wear a hockey mask -- like Jason Voorhees from "Friday the 13th" -- Zettel saw a Halloween challenge he couldn’t back down from.

So, after beating Illinois 39-0 and ringing the victory bell, Zettel walked into the interview room with the mask. And spoke to reporters in the mask. He never took it off.

Anthony Zettel explains why he decided to wear a mask to interviews: pic.twitter.com/Cv0wMogUSR

"I mean, I like to have a good time," Zettel told…