Old Gregg is a seaweed-covered merman sketch comedy character played by Noel Fielding (yes, the same Noel Fielding who co-hosts The Great British Bake Off) who first appeared in a 2005 skit by ...

He also learns that you should never go fishing on Black Lake when the moon be full, for that is when Old Gregg emerges. Some say he's a ghost, while The Moon says he's like a big fish finger the ...