Here is snatcher who in the hat in time ST AU is Tinky winky

Here is queen Vanessa aka po in the AU

Here is mustache girl aka Ann in the au

Here is hat kid aka walten in the au

Here is conductor aka miles

Here is DJ grooves aka noo noo in this AU

Here is moonjumper aka laa laa

Now as for Ron and Dipsy they are no one specific 

They are just snatcher/ Tinky minions

Ron,Dipsy and my oc dark lava are this kind of character now to draw them all in the art book