Dallas Goldtooth is a Native American environmental activist and performing artist. Goldtooth is a co-founding member of the 1491s, a Native American sketch comedy group and a member of the cast of the television series Reservation Dogs, Rutherford Falls and the feature film Rez Ball. He is a Dakota language-instructor, writer, artist, and actor. Goldtooth was the Keep It In the Ground campaign organizer for the Indigenous Environmental Network, an environmental justice organization led by his father. With IEN, Goldtooth led campaigns against the Keystone XL pipeline and the Dakota Access Pipeline. He was a water protector during the Dakota Access Pipeline protests at Standing Rock Indian Reservation.