After he got the money from his brother Frank, he bought up the person's T-shirts (not knowing that the T-shirts had a typo on them because they had "Botson" written on them instead of "Boston"). When he noticed the problem he went back to the spot where he bought them but the person already left. This caused Gary to stay at his brother, Frank's house.
The man had a long nose, was overweight, wore a jacket and a cap, and had face stubble.
- Diary of a Wimpy Kid: The Third Wheel (First and only appearance)