- "Settle down, settle down, please! Quickly, now, lots of work to get through this afternoon! Golpalott’s Third Law . . . who can tell me — ? But Miss Granger can, of course!"
- —Horace Slughorn[src]
Behind the scenes
- It is likely that his name is a pun on the phrase "Gulp a lot", which they may have been inclined to do so as a potioneer.
- Harry Potter and the Half-Blood Prince (Mentioned only)
Notes and references