Effie Jacobs

Effie Jacobs (PROSE: A Tingle of Happiness) was a witch who was friends with Brenda. She once recounted parts of her childhood to Brenda, including a meeting with the ghosts of Charlotte Brontë, Emily Brontë, and Anne Brontë. (PROSE: Talented Witches)

On May Day 1972, Effie and Brenda went to Iris Wildthyme's party at Hobbe's End. (PROSE: From Wildthyme with Love)

While dealing with a supernatural yellow bottle from the far future, Iris Wildthyme considered getting the help of Brenda and Effie. (PROSE: The Shape of Things)

In the 2000s, Paul Magrs wrote books about her and Brenda. (PROSE: Brenda's B&B)

Behind the scenes
Effie appears as one of the titular characters in Paul Magrs' The Brenda and Effie Mysteries alongside Brenda. She also appears in Bafflegab Productions' Brenda and Effie audio series.