X-23 is a Marvel Comics character who first appeared in the animated series X-Men: Evolution before being introduced to the comic book world. She is a female clone of Wolverine, created by the Weapon X program to be the perfect killing machine.
As a result of her upbringing and training, X-23 is highly skilled in hand-to-hand combat and various forms of weaponry. She has also been subjected to experiments that have enhanced her physical abilities, including strength, agility, and healing factor, similar to that of Wolverine.
X-23 has had a tumultuous relationship with Wolverine, as she struggles to find her own identity and place in the world while also dealing with her origins as a clone. She has been a member of various superhero teams, including the X-Men and X-Force.
In recent years, X-23 has taken on the mantle of Wolverine after the death of the original character. She has also been portrayed in other media, such as the X-Men: Evolution animated series and the film Logan, where she was played by actress Dafne Keen.