Marge Gunderson is the main character in the 1996 film "Fargo," played by Frances McDormand. Marge is a pregnant police chief in Brainerd, Minnesota, who is tasked with investigating a string of violent crimes that occur in her town.

Marge is known for her strong moral character and her ability to keep a level head even in the face of gruesome and unsettling crimes. She is a skilled detective who is able to piece together clues and make connections that others might overlook. Despite being heavily pregnant, Marge is always on the move, determined to get to the bottom of the case and bring those responsible to justice.

One of the most memorable aspects of Marge's character is her distinctive Minnesota accent, which is often imitated and parodied. She is also known for her witty and down-to-earth personality, and her interactions with the other characters in the film are often filled with dry humor and understated charm.

Marge's character has been widely praised as a strong, independent female role model who breaks from the traditional tropes of women in crime films. She is a skilled detective and a dedicated public servant, who is able to balance her personal life with her professional duties. Her role in "Fargo" helped to cement Frances McDormand's status as one of the most talented actresses of her generation.