PBS (ended 2006)
Lik-Lik is the black alley cat with a scarf and a hat.
Wong-Wong is the orange and black striped cat.
Jet-Jet is grey and white, with thick eyebrows.
Han-Han is the orange and brown female who wears a red scarf.
There are other alley cats, but these are the main four with speaking roles.
You Got The Names Of Two Alley Cats Wrong. They Are Wing-Wing Not Wong-Wong & Hun-Hun Not Han-Han
Do you by chance know the names of any of the othera?