Billy (Billy & Mandy)

Billy is the deuteragonist from The Grim Adventures of Billy and Mandy. He is 9 years old and is very dimwitted. Billy lives with his overprotective parents, Harold, and Gladys, in Endsville. He does a lot of stupid things. He has a spider-like son named Jeff. Also, he deeply cares about his friends and will do just about anything for them.