This a list of unseen characters who exist within Gravity Falls, but have not properly appeared in the series.
Auldman "Old Man" Northwest was the father of Preston Northwest, grandson of Nathaniel Northwest, and patriarch to the in the late 20th century. During his investigation of the Northwests' fraudulence, Ford Pines attempted an interview with Auldman, but was forcefully removed from the family's grounds before he could get the chance.
Beatrice isa woman who once slapped Stan Pines for "being a cad."
.GIFfany's creators were the various programmers of the game Romance Academy 7. When programming the game the character .GIFfany eventually gained sentience. The programmers unsuccessfully attempted to delete her, and in response she "deleted" them.
Jeffrey Cannuck is a victim of the Blind Eye Society'smemory erasing. Based on where his memories are stored, it can be inferred that he knew notable information about Gravity Falls' supernatural side.
Jim Storch is the owner of Storch Farms. One day the pterodactyl snatched 3 of his sheep, and he was not happy.
Marilyn is Stan's ex-wife, who divorced him after only six hours of marriage. Alex Hirsch's grandfather, Stan, off of whom Stan Pines is based, had a wife named Marilyn.
Mr. Northwest was a robber who lived some time between the 19th and 20th centuries. He is an ancestor of the modern Northwest family.
Mr. and Mrs. Chiu are Candy Chiu's parents. At one point, Candy spoke to her mother about having a sleepover with Mabel. Later, it's revealed that every last week of summer vacation, Mr. and Mrs. Chiu force their daughter to attend music camp.
Soos' father is Soos Ramirez's deadbeat father. Soos has not seen his father since he was at least four years old. Soos realized the extent of his father's neglect on his twelfth birthday, which led to a decade-long disdain for the date. In "Weirdmageddon 2: Escape From Reality," since he's never seen his dad, Soos fantasizes that he has the body of a pro wrestler and a face he once saw on a hot sauce bottle.
According to Alex Hirsch, Soos' father is Caucasian while his mother is Hispanic.
Soos' Spanish surname, Ramirez, suggests that he took his mother's surname.
Soos' grandfather is Soos Ramirez and Reggie's late grandfather and Abuelita's former husband. According to her, he is "not [in heaven]."
Soos' mother is the daughter of Abuelita, Reggie's aunt (and therefore the sister of one of his parents) and the mother of Soos Ramirez. Little is known about Soos' mother, aside from her Latina heritage.
Tambry's parents go out of town on the day of Summerween, and their daughter hosts a party in their absence.
Unnamed Li'l Gideon fan
An unnamed Li'l Gideon fan is mentioned by the child psychic on his date with Mabel Pines. He apparently shooed her away, telling her to "autograph her own headshot."
The unnamed magician is a man who once went on a date with Melody, an experience she found unpleasant.
Wax John Wilkes Booth
Wax John Wilkes' Booth is one of several wax figures from the episode "Headhunters." He is a wax figure of the infamous actor and assassin of President Abraham Lincoln. When Wax Abraham Lincoln is found melted, Stan accuses Wax John Wilkes Booth of having done it.
Wendy's cousin owns a logging camp in upstate Oregon.
Wendy's ex-boyfriends are numerous males formerly involved in romantic relationships with Wendy, whom she mentions when talking to Mabel about breakups. These individuals include:
Unnamed guy with tattoos
Wendy is uncertain as to whether or not she broke up with Mark, which explains his constant calls to her.