Toby Determined is the homely proprietor of and sole editor for the Gravity Falls Gossiper, serving as a writer, editor, and journalist. He has a crush on a local news reporter Shandra Jimenez and is a former member of the Blind Eye Society.
He is formally introduced as a reporter covering the reopening of the Mystery Shack's wax museum in "Headhunters." Dipper and Mabel eventually accuse him of the decapitation of Wax Stan, with several pieces of evidence supporting their theory; namely his left-handedness and his shoe matching the footprints left at the scene of the crime. However, Toby is eventually found to be innocent because he had security camera footage of himself at work at the time of the attack. He was making out with a cardboard cutout of Shandra Jimenez.
Toby makes his next appearance in "The Hand That Rocks the Mabel," when he calls Dipper to ask him if he would like to be interviewed about whether he has seen anything unusual in the town. However, he is really helping Gideon Gleeful lure Dipper into a trap so he can kill Dipper. In return for making the call, Gideon gives Toby Shandra Jimenez's phone number.
Toby appears again in "Irrational Treasure," celebrating Pioneer Day. He welcomes Grunkle Stan, Dipper, and Mabel when they arrive, only to run away from an angered Stan (who despises Pioneer Day). Toby is later seen taking Pacifica Northwest's family picture.
In "Summerween," Dipper, Mabel, Grenda, Candy, and Soos go trick-or-treating and scream in horror when they see Toby after they ring his doorbell, thinking his face was a mask. He then says that's his real face. He then puts on a mask, which the gang says makes him look better, and Toby sadly sighs.
In "Gideon Rises," he attends the Mystery Shack's Grand Closing and, like nearly everyone else in the crowd, is charmed by Gideon. He also appears at the scene of the explosion caused by Gideon's robot.
In "Mabel's Guide to Art," Mabel draws a "cat-icature" of Toby.
In "Scary-oke," Toby attends the grand re-opening of the Mystery Shack. He offers to take a picture, but Stan declines, pointing out that his "camera" is actually a cinderblock. At the end of the episode, Agent Powers and Agent Trigger briefly mistake him for a zombie, then realise he is just a "very ugly man".
In "Society of the Blind Eye," it was revealed he was a member of the Blind Eye Society. Having been discovered by Dipper and the gang, the society members decided to erase their memories. However, thanks to Old Man McGucket's help, Dipper and the gang were able to defeat them, and Toby's memory of the society was erased along with the other members.
In "Blendin's Game," Toby performs at Soos' birthday party, under the stage name "The Razz Dazzler." He dances badly, and laments what his life has become. When Dipper and Mabel are sent ten years into the past, they see a younger Toby trying to learn how to tap-dance, in hopes of going to Broadway. Mabel tells him "This dream goes nowhere, Toby!" to his disappointment.
In "Northwest Mansion Mystery," Toby is among other common folk camping outside of Northwest Manor. After being approached by a news reporter and asked what's going on, Toby says that he's been camping out here for days and that tonight is the night of the annual party of the Northwests', and though common folk like himself aren't invited, that doesn't stop them from trying to get a peek at the fanciness of the party.
In "Dungeons, Dungeons, and More Dungeons", Toby is seen FCLORPing with Soos, Blubs, and Durland. He is later seen again at the end of the episode, being carried off by the griffin. None of the other players decide to go and rescue him.
In "The Stanchurian Candidate," he is at the town meeting to discuss the new mayor.
In "The Last Mabelcorn," Mabel, Candy, Grenda, and Wendy plant a large tree so close to his house that it prevents him from opening the front door and exiting. Later, a picture of him from "Headhunters" is shown as Bill mentions picking his next pawn.
In "Roadside Attraction," Dipper says that he is worried about becoming an old loner, and used Toby as an example.
Toby has been shown to be insecure and easily gets saddened when people put him down or ignore him. He really wants people to accept him in a good way, even going to such lengths as using a cinderblock as a camera to join the crowd of reporters taking pictures of Stan Pines as he announces his grand re-opening of the Mystery Shack.
He wears a classic journalist outfit with suspenders and a small press fedora that is common in 20th century comic books, but it says "HAT" on it instead of "PRESS." He has short brown hair and glasses, with a long mustache and three freckles near the top of his head. He has a long nose like Grunkle Stan's. He has a large, hideous birthmark on his torso. He also has small black shoes with a hole in the left one. In Mabel's Guide to Art, Toby has 'real' cat whiskers.
- 102. "The Legend of the Gobblewonker"
- 103. "Headhunters"
- 104. "The Hand That Rocks the Mabel"
- 108. "Irrational Treasure"
- 109. "The Time Traveler's Pig" (no lines)
- 112. "Summerween"
- 114. "Bottomless Pit!" (pictured)
- 115. "The Deep End"
- 118. "Land Before Swine" (mentioned)
- 120. "Gideon Rises"
- 11. "Mabel's Guide to Art"
- 201. "Scary-oke"
- 206. "Little Gift Shop of Horrors"
- 207. "Society of the Blind Eye"
- 208. "Blendin's Game"
- 209. "The Love God" ( )
- 210. "Northwest Mansion Mystery"
- 212. "A Tale of Two Stans" (flashback)
- 213. "Dungeons, Dungeons, and More Dungeons"
- 214. "The Stanchurian Candidate"
- 215. "The Last Mabelcorn" (no lines)
- 216. "Roadside Attraction" (mentioned)
- 217. "Dipper and Mabel vs. the Future"
"I'd be pretty embarrassed if I were you two!"
"Shandra Jimenez's phone number?! Bless you, Li'l Gideon."
"That's just my face! This is a mask."
"Remember to be on the lookout for random wildfires."
- His name is a pun on the words, to be determined, referencing uncertain material in newspapers and other sources.
- Like the Wax Figures, Toby has a hole in his shoe.
- He is the only Gravity Falls resident known to be left-handed.
- He has scoliosis.
- Toby is a former member of the Blind Eye society. However, his newspaper sometimes mentions supernatural things.
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