Dipper and Mabel vs Billy and Mandy

Dipper and Mabel vs Billy and Mandy is a What If Death Battle by Pure King of Rage.

Description
Gravity Falls vs The Grim Adventures of Billy and Mandy: Two famous duos who have encountered strange supernatural creatures duel to the death.

Polls
Who Would Win? Dipper and Mabel Billy and Mandy Which Show is Better? Gravity Falls The Grim Adventures of Billy and Mandy