<Li> Nasthalia Luthor--Lex Luthor's niece and Supergirl's rival . Introduced in Adventure Comics #397 (September 1970). </Li> <Li> Princess Tlaca--Aztec princess who seeks to triumph over Supergirl and restore the prestige of her civilization . Introduced in Superman Family #165 (June 1974). </Li> <Li> Psi--Gayle Marsh is a powerful psionic manipulated by Daniel Pendergast into trying to destroy Chicago . Introduced in Daring New Adventures of Supergirl #1 (November 1982). </Li> <Li> Reactron--The Living Reactor, Reactron seethes with radioactive energy and is able to generate concussive blasts and disintegration beams . Pre-Crisis, he is Army Sergeant Ben Krullen, who served with Tempest and developed his powers because of the hero . Post-Crisis, he is Benjamin Martin Krull and his origin is essentially the same as before . He murders Zor - El . Introduced in The Daring New Adventures of Supergirl #8 (June 1983). </Li>

What is the name of the new supergirl