Palmer the poisoner

The notorious poisoner Kipper compares Upjohn to.

Talked about, but not there

1. Over breakfast with Kipper Herring, Bertie takes a phone call from Aunt Dahlia inviting him to Brinkley, and learns to his horror that Bobbie Wickham and Aubrey Upjohn are among the guests.Chapters 1–2, Bertie's flat