The Green-Eyed Monster of Jealousy

The Green-Eyed Monster of Jealousy is a wolf-like monster villain from the Quack Pack episode; "Snow Place to Hide."

Snow Place to Hide
The Green-Eyed Monster of Jealousy first appears out of nowhere after Donald says good-bye to Daisy for her ski trip. Throughout the episode, because of Donald's jealousy, he tries to convince Donald into thinking Daisy is having another boyfriend(s) in her life behind his back like Kent Powers and Jean-Claude, therefore, making Donald grow more jealous and angrier and making find ways to stop it from happening without being seen. In the end, everything backfires and both Donald and the Monster end up in the hospital. Donald realizes he was wrong to be jealous, Daisy forgives him and still admits her love to him, and the Monster gets himself trapped in the hospital bed by Donald in retaliation for all the lies and trouble he caused for him.