SQL & PL/SQL

hello guys i am newbie ,

with emp table in ename colomn ,i want to get as same as steriks (*) as the length of each ename string length

for example

smith has five characters so i want *****smith like this
miller has six character so i want ******miller
tony has four character so i want ****tonty and so on for whole column with LPAD

hope all you understand my question.