Gabriel Rousseau (born October 19, 1989), known professionally as Gab3, is an American rapper, founder of OMG! DUDE! Records, producer and video director from Los Angeles, California. In the videography world, he is mostly known for his 1990s VHS aesthetic used when shooting videos. He is also a pioneer in the genre of emo rap/emo trap.

He was a member of the rap duo UZi, with Mik3, who specializes in visuals for music videos. Gab3’s most notable music video visuals are for Kanye West’s “Famous” and Drake’s 2016 song “Sneakin'”. Gab3 said the following in a 2016 interview with Hypebeast:

More fashion stuff and more corporate stuff. I want to be the only music artist in the game that’s shooting high fashion campaigns and shooting corporate Mountain Dew commercials or whatever.

Gab3 has featured with many other emo/emo-rap artists including but not limited to Lil Peep, Lil Tracy and Bexey.