John Doggett

FBI Special Agent John Jay Doggett is a fictional character in the Fox television series The X-Files. With his FBI partners Dana Scully and Monica Reyes, he works on the X-Files which are cases with particularly mysterious or possibly supernatural circumstances that were left unsolved and shelved by the FBI. John Doggett is played by Robert Patrick. Doggett was a main character from the eighth to ninth seasons (2000–2002), replacing David Duchovny's character Fox Mulder. Doggett appeared in the opening credits and every episode from the season eight premiere to the final episode of season 9.