The origins of the Boxer dog date back to the Assyrian war dogs of 2,500 BC and breeding ingenuity has kept the Boxer breed a relevant dog for hunting the Big 3 - Bear, Bison and Boar.  The modern evolution and stabilizing of the Boxer breed occurred in Germany through the "von Dom" kennel, around the time of WW1 and WW2; Friederun von Miran Stockmann transitioned the Boxer from a big game hunter to a small game holder.  Interestingly, the Boxer's eyes are straight to focus on their prey, and the overbite isn't a breeding flaw - it is designed to hold prey, not kill.  And Boxer's will weigh between 55 and 75 pounds.  If you're considering a Boxer - they're usually ready in 8 weeks, but if you desire a show puppy...