Tess Mercer

Tess Mercer (real name Lutessa Lena Luthor; affectionately called Mercy by Oliver Queen) is a major antagonist turned anti-hero in the WB television series Smallville. In the last episodes of season 10, Tess is revealed to be the long lost daughter of Lionel Luther and Pamela Jenkins and The half-sister of Lex, Julian and Lucas Luthor. She is also one of Clark's enemies, but ends up being one of his closest friends and allies. 
Unlike her brother, Tess sees the good Clark Kent does as the "Blur" and after learning her mistakes from Doomsday and General Zod, Tess ultimately redeems herself and becomes a member of the Watchtower Network. She is seemingly like killed by Lex during the series finale. However the Season 11 comic shows that Tess survived by moving her consciousness into her brothers mind. She was able to send out a message to her friends, who we're able to rescue her and bring her back to life by uploading her consciousness into the Watchtower. Tess later began a romantic relationship with Emil Hamilton, who made an Android body for her. With this new form Tess decided to become a member of the Justice League, by becoming the second Red Tornado. 
She is based on Lena Luthor, Mercy Graves, Eve Teschmacher, the Red Tornado and Big Barda from The DC Comics 
== Gallery==
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File:Tess Mercer.png|Tess' poster for the 10th and final season. 
Category:Smallville characters
Category:TV show characters
Category:DC characters
Category:Villains
Category:Antagonists
Category:Reformed characters
Category:Protagonists
Category:Adults
Category:Females
Category:Siblings