Character From Childrens' Programme?

[Ninnynanny]

Which eponymous character from a childrens' programme has a wife called Sarah and a six year old son called Julian?
Thank you for any help.

[birdwoman]

http://en.wikipedia.org/wiki/Postman_Pat

[mallyh]

postman pat

[Frank97]

Postman Pat

[Ninnynanny]

Thank you all.