Reasons I think Mr Grumpy from the mr men show is Autistic (from an autistic person)
Reason 1. Has meltdowns
Reason 2. Special interest in fish ( loves fishing and watching the same fishing show at the same time every day)
Reason 3. Hates loud noise
Reason 4. Dislikes physical contact
Reason 5. Difficulty expressing himself
Remember that this is just a personal headcanon













