She first appears in the New Class Day episode segment,The Just-us League of Supertoons, when Superbun introduces her as the last member, and similar Hawk Loon doing so to Batduck, she captures the eye of Decoy, however, she rejects him and uses her powers to turn him into stone. After learning that Batduck doesn't have any super powers, she and the other league members rejected him, only for Wex Wuthor to appear and plan to use his super-power transfer belt to suck all of their powers. After Wex is defeated, Scentenna and the other heroes cheer for Batduck.