Amanda Rogers' parents
Amanda Rogers' parents had taken Human form and then conceived a child. They were executed when Amanda was still a baby for being unable to resist using the power of the Q by the Q Continuum while living on Earth in Topeka, Kansas. After their death, Amanda was adopted by a couple who served in Starfleet as marine biologists. (TNG: "True Q")
These Q, seen in the forms of three male and two female Humans, a dog, and a scarecrow, appeared in Q and Quinn's manifestation of the Q Continuum, as presented to fall within the comprehension of Captain Kathryn Janeway and Tuvok.
Encountered were an old man in a rocking chair, smoking a corncob pipe, while reading a book titled The Old, a young woman reading a magazine called The New, a young couple playing croquet with balls that resembled planets, and another older man playing a pinball game called "Q Continuum Galaxy".
Freedom Faction soldiers
During the Q Civil War, multiple individuals were seen as soldiers of the Freedom Faction, who were led by Q, and fought against the soldiers of the status quo. In a version of the war made perceivable to Humans, members of the Freedom Faction appeared as Union Army soldiers. (VOY: "The Q and the Grey")
This shadow asked Q for a report on his progress with Amanda Rogers. Q informed him that, "As anticipated, there have been some problems… but the Humans are cooperating. I need more time. There is a possibility we won't have to terminate her." (TNG: "True Q")
Status quo soldiers
During the Q Civil War, multiple individuals were seen as soldiers of the status quo, who were led by Colonel Q, and fought against the soldiers of the Freedom Faction. In a version of the war made perceivable to Humans, members of the status quo appeared as Confederate Army soldiers. (VOY: "The Q and the Grey")