x= 'own1;own1Add*own2;ownAdd2*own3:ownAdd'

def cleanAndMakeSubfolder(x) :
   for x in  x.split("*"):

    Owner= x.split(";")  [0].replace(" ","_").strip()
    count = x.split(";")[1].count(" ")-1
    OwnerADD =  x.split(";")[1].replace(",","_") .replace(" ","_",count).replace('"',"").replace("(","").strip()
    return Owner,OwnerADD
print cleanAndMakeSubfolder(x)