3. Paul O’Connell
Just look at Paul O’Connell. Just look at him. His skull could probably be used to demolish a prehistoric rock face. He’s terrifying, end of.
4. Mathieu Bastareaud
Weighing just under 20 stone, Bastareaud is one of the scariest centres in world Rugby. The fact he doesn’t care for the rules makes him an even more intimidating character.