|Real world information|
|Appears in||Grim & Evil|
|First appearance||Grim or Gregory|
Gregory is a child who was mistaken as Grim by Billy in Grim or Gregory? Durig halleween his mom mistaked Grim as Gregory and when he come sback Billy mstaken him as grim. At last Mandy brings him his home when Billy took of his face which was like Grim.