lifestyle of deceit and corruption. After realizing this, Lillian was seen in the reflection of a hospital window crying over her son's choice. When Lex was injected with the Limbo drug, which placed its users in a state of "clinical death", he met Lillian again, who told him that she was angry with him for ignoring her advice. When Lex was shot and went into a coma, Clark Kent and Lionel used a machine that allowed Clark to enter Lex's mind in order to find Lois Lane and Kara Kent. In Lex's mind, Clark met a young version of Lex and the two hid from a psychotic and murderous adult Lex. In the memory featuring Lillian snooping in Lionel's briefcase, Clark witnessed Lionel's verbal and physical abuse of both Lex and Lillian, as well as watched Lex try to help his mother up, but Lillian uncharacteristically told him that he had done enough and walked away from him. Lillian Luthor in comics In DC Comics, Lex Luthor's mother is named Arlene Luthor. In later incarnations, her name was changed to "Leticia" even though she remained unnamed in most of her appearances. Lillian Luthor in other media Lillian Luthor (known as the Doctor) appeared in Supergirl, portrayed by Brenda Strong. Dr. Lillian Luthor is a scientist, the leader of Project Cadmus, the wife of the late Lionel Luthor, the mother of Lex Luthor and the adoptive mother of Lena Luthor. She and her team were the ones responsible for turning John Corben and Hank Henshaw into Metallo and Cyborg Superman respectively. After Metallo had an encounter with Supergirl and Superman, Project Cadmus eventually reveals that it has gone rogue, and is waging war against all alien life on Earth. Lillian is arrested after a failed attempt to wipe out all aliens in National City with a Kryptonian bioweapon but is later freed by Metallo. Lillian is estranged from Lena since her husband favors her over their son, and blamed Lena's mother for the deterioration of her relationship with Lionel. During the Daxamite invasion, she briefly allies with Kara in order to rescue Mon-El and Lena from Rhea, and helps Lena and Winn prepare a weapon that will disperse lead in Earth's atmosphere to drive away the Daxamites. In season three episode, "For Good", Lillian later targets Morgan Edge after he poisoned Lena which leads to both of them being defeated by