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Perhaps he's a bit (or a lot) of a loud-mouth. But one thing's for sure: he's always entertaining.

And as Ohm Youngmisuk of the NY Daily News points out, it's his personality that keeps the team confident and prevents them from getting too tight.

"I always say this, 'Whatever you guys do, just do-do-do-don't panic,'" Ryan stammered (via the NY Daily News). "We are not going to panic. No, never. There might be some concerns. But I never feel like that. I mean, I'm excited."

"Oh, go have fun, let's go, play the position, have some fun," Ryan said (about what he told rookie QB Mark Sanchez). "Just because every kid in the world dreams to be in this spot, don't let it affect you."

And while Rex Ryan is brash and a trash-talker, the other rookie coach in tomorrow's game (Jim Caldwell) is the complete opposite.

“He works with a lot of class,” Colts linebacker Clint Session said. “He doesn’t need to talk about it. He is about it. That’s what’s rubbed off on all his players. We go about it the same way.”

While the Colts are accustomed to post-season appearances and have a coach on the field at QB in Peyton Manning, they need a steady hand to run the show. For the Jets, on the other hand, they have limited to no playoff experience and a rookie quarterback, who will be expected to manage the game.

That said, Ryan and Caldwell may be polar opposites, but they are the same in that both of their styles are perfect for their respective teams.