"Will the dog be traveling on Air Force One?" Markarian asked. "What types of places will they be visiting with the dog?"
Markarian said the dog would likely have to be a hardy dog that doesn't frighten easily and is comfortable around children and throngs of people.
Another ABCNews.com reader suggested Obama give an underdog a chance just like voters gave him.
"On Tuesday the American people spoke very loudly. They did not look at the color of the man -- they chose a man based on what he believed in and what he represented," the reader wrote. "I truly believe that 'pound puppies' have lived with stigma for long enough and that is the way that they should go."