Skin is a fictional character appearing in American comic books published by Marvel Comics. The character first appeared in The Uncanny X-Men #317.

Penance is a mutant superheroine appearing in American comic books published by Marvel Comics. The character is primarily depicted in association with the X-Men. She was created by writer Scott Lobdell and artist Chris Bachalo and first appeared in The Uncanny X-Men #316. She was a member of the teenage mutant group Generation X (1994), and later X-Factor and X-Men. Monet is a Muslim superhero and has illustrated the struggle of accepting "different" people central to X-Men stories.