On April 7, 2003, the city of Niiza, Saitama registered the Astro Boy character as a resident to coincide with his birthdate in the manga. That same day, the JR Yamanote Line platform at JR Takadanobaba Station started using the theme music from the TV series to signal the departure of a train. Also, many lamp posts in the area carry pictures from the TV series, and two large murals depicting Tezuka's works are across the street of JR Takadanobaba station. Later in 2004, the theme music from the TV series would eventually be used to signal the departure of a train at JR Niiza Station on the JR Musashino Line.