<PERSON> is most likely the deadliest assassin in the DC Universe. <PERSON> has trained <PERSON> and has also trained the third <PERSON>, <PERSON>. <PERSON>'s daughter, <PERSON>, would later become the second Batgirl. <PERSON>, <PERSON>, <PERSON>, <PERSON>, <PERSON>, <PERSON>, Batgirl, Gotham, Comic Art