Word Origin and History for theme Expand. n. c.1300, from Old French tesme (13c., with silent -s-), from Latin thema a subject, thesis, from Greek thema a proposition, subject, deposit, literally something set down, from root of tithenai put down, place, from PIE root *dhe- to put, to do (see factitious).
Lena Luthor. The younger sister of Lex Luthor, Lena Luthor is an ESP introduced in comics in Supermanâs Girl Friend Lois Lane #23 in 1961. Before DCâs world-changing Crisis on Infinite Earths in the â80s, Lena had no idea she was related to Lex Luthor, and it was a secret kept from her by Superman and Supergirl. She eventually found out, and, well, it was bad. TVLine says Lena in Supergirl will be within the 25-35 age range.
Best Answer: Supergirl is alternatively referred to as the Girl of Steel. Physically, she's the mightiest female of all time! She is in reality Kara, Superman's first cousin, the daughter of the Kryptonian scientist Zor-El and his wife Alura. On Earth, where, she acquired super-powers identical to Superman's. Like all Kryptonian, Supergirl is vulnerable to kryptonite.