Jayna is a fictional character portrayed by Allison Scagliotti in the TV series Smallville.
In the first episode they appeared in, titled Idol (season 9), they were 19 years old.
They appear in 1 episodes out of a total of 216 aired
Episodes1
Idol
episode S9.E8 november 2009Superhero twins Zan and Jayna (aka: the Wonder Twins) show up in Metropolis to help 'The Blur' fight crime with their combined shape-changing abilities. But the clumsy and naive teenagers end up botching several rescues, landing Clark in hot water with the District Attorney's office. Clark decides to come forward as The Blur to clear his name despite Chloe's protests. Meanwhile, Lois begins seeing a therapist to deal with her growing romantic feelings for Clark, and gets dangerously close to discovering his secret identity.