The Core Cast
Dr. John Fell, a Renaissance professor, construction carpenter, short-order cook, and full-time Sir
Robin Ingle, Dr. Fell's dead boy Charlie (twink), Ben's boy
Ben Erikson, a corporate lawyer
The Foundation Sirs and their Boys
Gregorio, an accountant, and his boy, Rory, a wedding cake and pastry baker
Pete Cole, a criminal lawyer, and his boyfriend, Owen
Miles, a dentist, and his boy, Dexter, a pagan
Simon, a dermatologist, and his boy, Laurie
William (Bill), an ophthalmologist, and his boy, Kyle
Brin, an engineer, and his boy, Luke, a landscaper
Note: there are missing links between some characters to avoid spoilers!
Tony, an architect, and his boy, Colby

Other Sirs and Boys
Mike (Micro-Manage), a bear, and his boy, Chris, a graphics designer
Jamie, an abused boy
Ryan, Jamie's new owner
Rinaldo (Rinnie), an exchange student from Peru
Steve, Rinnie's owner
Dave Rasmussen, a mechanic
Tommy, an exotic dancer and Dr. Fell's thirtieth birthday present
Dr. Pol Rønne, a sociology-anthropology professor
Dr. Katashi Tanaka, a comparative and Japanese literature professor
Tom Roll, Dr. Fell’s mom’s cousin
Billy Buff, Tom Roll's boy
Nick, a visiting Sir from England, and his boy, Jos, a grad student
Steven, a pediatric nurse, and his boy, Nestor, a classics professor
Bruce, a bear from Dilly's Bar
Other Characters
Jack, Dr. Fell's cousin, a mooch and a deadbeat
Mr. Fell, Dr. Fell's homophobic father
Mrs. Fell, Dr. Fell's dead mother
Mrs. Przytycki (Mama P), a florist, force of nature, and Mrs. Fell's best friend
Casey and Bill, hapless students in Dr. Fell's English class
Ghia, a beagle, and Fargo, a pointer
Cindy, a nurse, and Rass, a roofer, Rasmussen
Kelly, a Legal Aid lawyer, and Cam, an Iraq war vet
Little Bit and Reuben, children who terrify Dr. Fell
Mrs. Tanaka, a spa owner and Dr. Tanaka's mother
Mariko Tanaka, Dr. Tanaka's sister
Mrs. Olivia Henry, a philanthropist
Dr. Yolanda Dillingham, a theatre department chair
Dr. Juliet Kaplan, a mathematics professor
Susie Sofronie, an arts administrator