Two-year-old Brat is finally generating ad revenue. The YouTube-focused media company has hired a sales force and run campaigns for Universal Pictures and Mars Wrigley so far. Cofounder Rob Fishman said the ads work because they feature actors who star in Brat's own shows. Click here for more BI Prime stories. Teen-aimed media company Brat   launched in 2017 to capitalize on young audiences' migration to YouTube by making high-quality, original shows. Now it's starting to generate ad revenue, having grown to to 3.2 million YouTube subscribers and logging 30 million monthly YouTube views in May.