Loonatics Unleashed is an American superhero animated television series produced by Warner Bros. Animation that ran on Kids' WB for two seasons from 2005 to 2007. It also aired on Cartoon Network internationally. The series was based/inspired on the Looney Tunes cartoon characters, with the series described by Warner Bros. as an action comedy. Loonatics Unleashed is meant to be a mixture of the Looney Tunes shorts' irreverent style of humor and a modern action animated series, with the characters designed in a more action cartoon-inspired style.