This article is personal. Please post if a certain Mr. Man or Little Miss is mentioned, seen, cameoed, or crossed over in another TV shows and cartoons.
The soon-to-exist TV series "Will's World" mentioned in the counterpart page has many voice actors from The Mr. Men Show.
In the Seinfeld episode where Kramer shaves his face using butter, he calls Jerry "Mr. Nosy".
In the Amazing World of Gum Ball there is a teacher named Mr. Small.
In a Mike and Molly episode Mr. Tickle and Mr. Messy made an appearance.
In a Power Puff Girls episode Buttercup calls Blossom Little Miss Bossy.
In an Angry Beavers episode Norbert calls Dagget Mr. Happy.
In an episode of MAD Mr. Forgetful made an appearance.
There is a Wow Wow Wubbzy episode with the name of Mr Cool.
Little Miss Sunshine gets mentioned in the song "Umbrella" by Rihanna.
Mr. Grumpy gets mentioned in a Chowder episode.