Lots of them. The most important, up until seasons 8 and 9, are Special Agents Fox Mulder and Dana Scully, played by David Duchovny and Gillian Anderson. Later on in the series, there are two new...
well there is a difference between the main character and the character of a book well characters of a book r people in a book but the main character is who the book is bout let me give u an example...