Some Great names or best names for male dogs are, Rex, Rover, Beethoven, Jasper, Dexter, Duke, Zeus, Chester, Bruno, Wagner, Buddy, Bruno and Benji.
Some other good male dog names and pretty popular male dog names are, Ace, Bandit, Bailey, Rainbow, Apollo and Bear.
There are several great male dog names but those are some good ones off the top of my head that are great for male dogs.