As Elvis Presley turns 90, film expert Enno Reins recommends six films that capture the legacy and eccentricity of the King of Rock ‘n’ Roll. From the documentary ‘Return of the King’ on his life and rise to fame, to the quirky horror-comedy ‘Bubba Ho-Tep,’ these selections showcase various aspects of Elvis’s persona, including his humorous encounters with President Richard Nixon in ‘Elvis & Nixon.’ With animated adventures in ‘Agent Elvis’ and dramatic insights in ‘Priscilla,’ these films provide a rich cinematic tribute to the iconic musician.