Who said lovely jubbly?

The phrase "lovely jubbly" is most closely associated with the character Del Boy Trotter from the British sitcom Only Fools and Horses.

While the phrase wasn't invented by the show, Del Boy's frequent use of it made it synonymous with his character and a catchphrase for the series.

Although "lovely jubbly" was used in the show, there's no definitive record of its exact origin or who first uttered it in the context of the show.