Green Cross Code Man
Wunt be druv
William the Conqueror introduced the lions as his personal coat of arms used two lions on a red background. Then Henry II married Eleanor of Aquitaine and added an extra lion to symbolise his marriage into that family.
So, ironically, the three lions are actually French.
Nah. I'm not having that. I'm no fan of William, but he was Norman and therefore of Viking stock.