ah i see.
if it is the only yeast then yes the character will be much different. generally with a more sour character and probably funkier too. the starter shouldn't affect the character at this point, but I think it's unnecessary.
In Process - Russian Imperial Stout, Nelson Sauvin Rye IPA, Mild No.3
In Kegs - Barley Wine, Apfelwein, Wild BlackBerry Wheat, Coffee Oatmeal Porter
Gone - so many :(