It first appears on motocross NPC clothing in GTA V and sponsors “Scooter Bro's Racer” liveries on the Cheburek, Clique, Fagaloa and Impaler in GTA Online.
The wiki itself notes there is no in-universe connection to scooters — which is part of the joke.
- Scooter Brothers (brand)
HTML blocked to automated fetches (402/403); read through the MediaWiki API.
