Daniel Dreiberg (New Earth-Twenty One)

Early Heroics
Daniel Dreiberg began his superhero career as the apprentice to the original Nite-Owl, Hollis Mason whose identity he discovered through investigation. At first he was turned away, but he would later be accepted by Mason after he saw the gadgets he made.

After Mason retired from super heroics, Daniel would take on the mantle of Nite-Owl in the 70s and would join the Crimebusters. The team would not last, due to in fighting and general instability of the team as a whole.

After the end of the Crimebusters and the passing of the Keene Act that made it illegal to be a superhero, Dan would begin working as an inventor and would retire from super-heroics.

Veidt's Plot Success & Crimebusters Revival
Years after retiring Dan would be called back into super-heroics after the Comedian is murdered and Rorschach, reveals that he discovered some type of conspiracy going on. Dan would join up with Rorschach and two other former Crimebusters, Dr. Manhattan and Silk Spectre. During their investigation Nite-Owl and Silk Spectre would begin a relationship after the later's relationship with Dr. Manhattan crumbles from his lack of emotion.

The group would eventually learn that the one behind the conspiracy was none other then former Crimebuster, Ozymandias, who had murdered the Comedian because he had discovered his plan. The plan being the creation of genetically engineered creatures that would attack multiple cities around the world in order unite the planet against a common enemy. The group was unable to stop Ozymandias' plan and were forced to lie along with him, due to the possibility of causing a nuclear war if the truth ever got out. Everyone but Rorschach agreed and Dr. Manhattan was forced to kill him in order to protect the world.

Dr. Manhattan would leave Earth after killing Rorschach and Nite-Owl and Silk Spectre would wish him luck. The two would take the alias of Sam Hollis and Sandra Hollis in an effort to get away from Ozymandias. Ozymandias would find them later on and would blackmail the two in joining his newly created Crimebusters.