"And Ambrosius Flume, of Honeydukes — a hamper every birthday, and all because I was able to give him an introduction to Ciceron Harkiss who gave him his first job!"
-- Horace Slughorn (HBP4)
Makes delectable chocolate and fudge.
'ambrosia' = in Greek mythology, the food or drink of the gods
Additionally, the wizard Merlin is called Merlinus Ambrosius in Geoffrey of Monmouth's Historia regum Brittaniae (source: Historia regum Brittaniae by Geoffrey of Monmouth).