I'm very late to this but I love the idea of it so late answer before I sleep and start driving again.

Will would be a minor god of loyalty who is part of the pantheon of Sherwood headed by Robin and Marian. His followers are clever, will do all for those they respect and have a tendency to lose their tempers. You don't want to mess with them.

Charles is the patron saint of mutants who is honored with gifts of thoughtfulness and leavings of Earl Grey tea.

Moist is a trickster god, very minor deity who would rather you didn't worship him but offerings will be taken.

William would be a minor deity of protection tied to family, of older brothers and difficult causes.

Demeter is already covered by her own mythology.

Jane is a goddess of writers, the authors who hope for a chance and to her they offer their broken pens and scribbled pages.

Sameth is a god of engineers and magicians who are brilliant but can't explain what they do. His followers honor him whenever they make a presentation that makes sense to someone else.

Tumnus is a minor god of loyalty and second chances who's followers make offerings of songs and handkerchiefs.

The Pirate King is the god of pirates of course and is honored with gold, songs and women who wish to kiss him.