Agent Duquette holding up a GDI pass card
Duquette is a supporting character in Tiberian Twilight.
He is a mysterious agent, working for an undisclosed employer. He has a very calm and serious demeanor, with a menacing voice. He also has great authority, as he dismisses GDI military police.
After Cmdr. Parker is incarcerated for his participation in Louise James' coup and placed in a GDI Supermax Facility somewhere in the Arctic Circle, Duquette arrives, waking him from his slumber and springing him from the prison. He gives him a case with a spare GDI uniform, a pistol and a GDI pass card, mentioning that he has 10 minutes to get out of the facility uninterrupted. During the mission itself, he offers aid by designating objectives. 
- Duquette has the appearance of a classic G-man.
Duquette appears in Tiberian Twilight