This unnamed Baby Mouse is Fitz's female child and daughter. The mouse is a minor character in 12 Oz. Mouse, but she does impact Fitz's family. The baby is known as a she, due to Fitz asking a hand of an unknown Doctor, "Is she supposed to be that small?" She is seen in Mouse's flashbacks, along with her mother, who is Fitz's wife.
The Baby Mouse is seen on the beach with her mother and father. She also has a crib, and cries in it as The Shadowy Figure appears in the white doorway.
During a another flashback sequence, she cries in her crib when Fitz goes to her until she later morphs into a giant Spider due to the effects of arachno-xenomorphentation. Though, an another Spider character does appears in the show, which she has same appearance of, so its unknown if this is the same spider or not.
Alliances & Friendships
Her only alliances in the series are her mother and father.
She doesn't have any enemies shown, though it could be showed with The Shadowy Figure, as she cries when the creepy figure appears in the doorway.
The Baby Mouse has a similar design as both her mother and father, but is small, and pale, has stick-finger legs, arms, legs, a nose and whiskers, one eye, a mouth, small ears and a very small tail.