. . . "Grim & Evil Episodes"@en . . . "Grim or Gregory?"@en . "Grim or Gregory? is the twelfth episode of The Grim Adventures of Billy & Mandy. It was originally part of a Grim & Evil episode."@en . . . . . . "Grim or Gregory? is the twelfth episode of The Grim Adventures of Billy & Mandy. It was originally part of a Grim & Evil episode."@en . .