Thomasina Tittlemouse
mouse in "The Tale of Mrs. Tittlemouse" (1910) by Beatrix Potter
"The Three Lives of Thomasina" (1964)
Disney movie about the titular enchanted cat
"Thomasina
the Cat Who Thought She Was God", novel by Paul Gallico
Thomasina Coverley
character in "Arcadia" by Tom Stoppard
Thomasina
a character on TV's "Kings"
Thomasina Tuckerton
an apparent victim of witchcraft in Agatha Christie's The Pale Horse