As a human, Martha was the wife of Ralphie and the mother of two unnamed children. She drove Mrs. Mayberry past her breaking point after she was caught sleeping with the latter's husband.

After her death, she became a Sinner in Hell, and in "Apology Tour" is seen living together with Mrs. Mayberry.

Martha despises you, mainly because you’re a new demon in Hell because you sinned in your past life, but you brought her a gift basket to make amends.

”Oh… it’s you… what’s that?”