Ma Spleen
Gender Female
Species Human
Relatives Pa Spleen (husband)
Bill-E Spleen (grandson)
Status Deceased of
Background Information
Book Universe The Demonata
First Book Appearance "Lord Loss"

Ma and Pa Spleen are Bill-E's over protective grandparents. In Blood Beast, they are killed by Grubbs when he is struck with lycanthropy, but later revealed to have been killed by Juni Swan (or Nadia Moore).