John Joiner

John Joiner is a supporting character in Beatrix Potter's 16th antagonist-titled book "The Tale of Samuel Whisker or the Roly-Poly Pudding". Mr. Joiner is a male terrier (or whatever breed of dog he is) with only a green shirt.

Summoned by Tabitha Twitchett and her cousin and guest Ribby upon their intuition that there are rats under one of their floors in the attic, Mr. Joiner borrows the author's wheelbarrow and then saws the attic floor, causing the antagonists, Samuel Whiskers and his wife Anna Maria, to leave the house forever, but to leave Tom Kitten, whom they were going to turn into the former's roly-poly pudding, behind.

Afterward, as Tom was getting a bath, Mr. Joiner gets invited to stay for dinner and have a bag pudding (made with the dough wrapped around Tom which had smuts, but to avoid problems with it, Ribby had added currants), but he had to leave.