Justice Leak Joins "Supergirl" as Hellgrammite

"Powers" star Justice Leak will play a villainous alien called Hellgrammite in the upcoming premiere season of CBS' "Supergirl," Entertainment Weekly reports.

Though he will be an alien in the show, Hellgrammite was entomologist Roderick Rose in the comics. After some experimentation, he developed super-strength, improved jumping and the ability to produce cocoons to imprison foes or even transform them into larvae versions of himself. The experimentation also gave him an insect-like appearance and his supervillain moniker comes from an insect of the same name.

The show centers on Kara Zor-El (Melissa Benoist), a Kryptonian stranded on Earth following the destruction of her home planet Krypton. Assuming the name Kara Danvers, she decides to come out of hiding at the age of 24 and really use her super abilities for good.

"Supergirl" arrives on CBS on October 26 at 8:30 p.m. EST. Developed by producers Berlanti, Adler and Kreisberg, the series stars Melissa Benoist, Calista Flockhart, David Harewood and Chyler Leigh.

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