- See O'Neil for other articles with titles that contain, either by relationship or by coincidence, this character's surname.
O'Neil was a Human man who served in Starfleet in the 23rd century. By the 2250s, O'Neil was stationed aboard the USS Enterprise, under the command of Captain Christopher Pike.
History
In 2254, O'Neil assisted medical relief efforts on Theta Kalyb following an assault on the Federation colony by Chakuun. (EV comic: "The Fallen, Part Two")