I drew a lot of Gravity Falls picture, sorry if you don't like it. I just did it for fun!
Mabel and Waddels
Dipper and Mabel (Pines Twins) (Jr. Mystery Twins)
Dipper Pines
Mabel Pines
Mabel and Dipper
Mabel #2 BOSS
Sorry it is so bad I am not proud of it! :( (Dipper, Mabel, Wendy, Grunkle Stan, Sues)