Michelle Elizabeth Tanner is a fictional character on the long-running ABC sitcom Full House, who was portrayed by Mary-Kate and Ashley Olsen.

Shortly after Full House ended, the sisters appeared in many films and TV shows up until their teenage years.

Michelle Tanner does not appear in the 2016 Netflix sequel, Fuller House, as both Olsen twins declined to reprise the role.

She is depicted as being slightly mischievous, though her status as the youngest daughter of the family leaves many of her misdeeds undisciplined and spares her from punishment – much to the chagrin of her older sisters.

Their relationship is so strong that she becomes crestfallen upon learning of Jesse's intended relocation from the Tanner household after his marriage to Rebecca Donaldson in the season four episode "Fuller House".

She holds a tendency to scheme when met with a new desire as an enhancement to the comedy of the series but she eventually realizes the errors of her ways by the episode's conclusion.

At the end of that same episode, Michelle makes a new friend named Denise Frazier, who then sits in Teddy's old seat and learns how to cross "T"'s.

Michelle also makes many other friends throughout the series, including shy but intelligent Derek Boyd (Blake McIver Ewing) and tough-girl Lisa Leeper (Kathryn Zaremba).

In the season seven episode "Be Your Own Best Friend," Teddy moves back to San Francisco and attends Michelle's school once again, rejoining her class.

The production team behind Full House did not want people to know that Michelle was played by a set of twins, so the girls were credited as "Mary-Kate Ashley Olsen" for most of the show's run (making it appear as if a single actress had the first name Mary-Kate and the middle name Ashley).

Despite the fact that the Olsens are fraternal twins, their physical appearances were similar enough so that few people could tell the two apart over the course of the show's run.

For example, in the first episode Danny mentions to the family that Michelle is now working as a fashion designer in New York, and thus has become an unseen character of this series.