Othmar the Grouch

Brian Muehl}} [[File:Othmar_the_Grouch.jpg|frame Othmar the Grouch is an alien Grouch from the seventh moon of the planet Zurkon. Oscar the Grouch meets Othmar when he visits Earth in his trash can space vessel in Season 14. Olivia provides a countdown for the pair's launch to the Moon, a location Oscar's pet worm, Slimey, would later visit.