Rosie

'Information found online is most likely outdated. All information is to be changed following theory debunk streams, upcoming Patreon comics, and the pilot.'

Rosie is an upcoming character with some affiliation with Alastor.

Trivia

 * Vivzie says Rosie and Alastor's relationship is similar to Mary and Jack from Mary Poppins Returns

Alastor
Their relationship is unknown at the moment.