Mr Nonsense sleeps in a rowing boat because motorboats are too uncomfortable he eats porridge on toast because he doesn’t like porridge sandwiches, he lives in Nonsenseland where the snow is yellow, and snowballs are square. Mr Wrong Mug He is good friends with Little Miss Hug as they are like-minded people. (Though Little Miss Hug thinks he is a bit TOO grumpy) He, along with Mr. Uppity, tried to make Mr. Perfect unhappy in One Day In The Life of Mr. Perfect. Hard Man, Stone Man (Mega Man 3 and Mega Man 5, both are clumsy, bang their heads and bodies and crash),

Voice Actors: Gordon Peters ( Mr. Men and Little Miss), Neil Crone (US dub), Dor Zwigenbaum (Hebrew dub)Walking Disaster Area: She's the type who always wants to help, but only makes the situation much worse by doing so. Flight: One of Mr. Impossible's abilities; he simply stands outside and flaps his arms, and away he soars.

Mr. Nonsense lives in Nonsenseland, in a house on top of a tree. When asked why he sleeps in a rowing boat, the answer is "I tried sleeping in a motorboat and it was somewhat uncomfortable." When asked why he eats porridge on toast, the answer is, "I tried porridge sandwiches and I didn't like them." Mr. Nonsense is best friends with Mr. Silly, and when it snows yellow snow, they go for a toboggan in Mr. Nonsense's rowing boat bed. They build square snowballs somehow. Unwitting Instigator of Doom: Subverted in Mr. Mischief - A Spot Of Trouble. He gives Mr. Mischief the idea to infect everyone with measles by telling him that measles are catching but then Mr. Mischief chooses to try and infect Mr. Happy (Who had the measles once in Little Miss Helpful's book) only for Mr. Happy to turn out to have become immune to the measles, meaning no epidemic happened.In Little Miss Dotty Has A Dotty Day out, she is the one who states that she's hungry and asks what they should eat during their day out to the beach. Mr. Grumpy's accent in the US version is a typical American accent, while his accent in the UK dub is West Country. He is voiced by Sam Gold in the US version and Simon Greenall in the UK dub. He is first seen in Physical.