Board Thread:Castlevania Wiki General Discussion/@comment-5136744-20130319162823/@comment-3236835-20170128043552

86.43.97.228 wrote: Miss Murder may be based on a Japanese Ubran Legend: http://www.scaryforkids.com/kuchisake-onna/ The large scissors, and the fact that Miss Murder seems to have an extended mouth supports this.

Added it to the page, check it out.