Unnamed bully

The Unnamed Bully is a resident of Gravity Falls, Oregon.

Season 1
In "Double Dipper," he goes to the Party at the Mystery Shack.

Season 2
In Weirdmageddon 3: Take Back The Falls he insults Gideon and gets beaten up by Ghost-Eyes and Killbone.

Season 1

 * 107. "Double Dipper"

Season 2

 * 220. "Weirdmageddon 3: Take Back The Falls"