You might need a master ball to catch that inter-dimensional demon! I've heard that it's pretty rare! XD
Run in the family by markmak
Green candy by markmak on DeviantArt...I can see Bill doing that!
First contact by markmak on DeviantArt
△ Gravity Falls- Bill Cipher and Mabel △
honbie: Dipper and the Fantastic Beasts
Here’s my submission from this past weekends “farewell to the falls” show at…