The Lefty robot is a robot, the left side of which resembles a human male. It always faces left due to visible little green creatures working its body on the right side. It self-destructs after being found out.
In "Lefty," Dipper tries exposing the "man"'s right side on camera, however, it takes a significant amount of time until he finally unveils that it was actually a robot with little green men running it. After the pilots kill themselves, the robot collapses and bursts into flames, leaving no traces behind.
In "Society of the Blind Eye," a photograph of the robot's human side is shown with the word "exploded" written in red ink over it.
On its normal side, it has no hair on the top of its head, but has some brown hair in the back. It is usually seen wearing a red shirt with short white sleeves and a collar. It has a brown mustache, blue jeans, and brown shoes with white soles.
Its robotic side is silver, with little green men working the body. There are a few silver cogs. Each green minion has a symbol on the bottom of them. In total, there are sixteen minions (one in the foot, arm, neck, nose, and on the shoulder; two in the leg; three in the stomach; and six in the head).
- Neither the robot or the green minions inside were named.
- It is referenced in Gravity Falls: Journal 3 on the page about the crashed UFO under the town. There is a coded message in the Author's symbol substitution cipher reading, "Some tiny alien specimens may have survived. Perhaps hiding in the town in robots disguised as humans."
- 4. "Lefty"
- 207. "Society of the Blind Eye" (pictured)
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