Iznogoud.

In Baghdad the Magnificent reigns Haroun al Plassid, who is the Caliph. There also dwells Iznogoud, who wants to be the Caliph. The irascible Grand Vizier hatches plot after plot to remove his ruler and take his place—melting Djinn, invisibility spell, cursed diamond, voodoo doll… But no amount of cunning or obstinacy can make up for sheer, hilariously bad luck.