John D. Tucker, known as Dr. Teeth, is an American film director, commercial director, music video director, television producer, and professor. He has directed films such as Warner Brothers Records KeAnthony's A Hustlaz Story, directed commercials for Obamacare initiative Access Health CT and music videos for songs like "Hip Hop Saved My Life" by Lupe Fiasco, "Rock Yo Hips" by Crime Mob, and "Spit Yo Game" by Notorious B.I.G. Tucker is also the founder of the HBCU Film Festival.