Do you want to compare Onslaught with Power Girl? Discover the powers, weakness & weapons of Onslaught and Power Girl from Onslaught Biography and Power Girl Biography. Find out all about Onslaught and Power Girl.# Check out how is Onslaught unique and distinct from Power Girl. Discover their love interest, sidekicks, family tree and the movies and games list in which Onslaught and Power Girl have appeared. Find out everything about them here!