Penguins of Madagascar and Gravity Falls
Crossovers
Peinguins of Gravity Falls by The Cowardly Christian reviews
The penguins have infiltrated the Mystery Shack! Will their cover be blown?...And if so what'll happen then? And why is their so much strange activity in Gravity Falls lake recently?...
Rated: T - English - Sci-Fi/Supernatural - Chapters: 7 - Words: 6,841 - Reviews: 16 - Favs: 13 - Follows: 11 - Updated: 10/15/2018 - Published: 10/19/2015
