[6] The project has a logo made of four black vertical bars forming a letter "M" (and also resembling the "門" kanji of the Toranomon name).

It also has a mascot called Toranomon (トラのもん), which is developed by Fujiko Pro, the company who owns the rights to the Japanese manga character Doraemon.

The Toranomon segment was popularly referred to as the "MacArthur Road", after General Douglas MacArthur, who served as the Supreme Commander for the Allied Powers in Japan following World War II, making reference to the proximity of the United States Embassy compound in nearby Akasaka.

The plan remained unrealized for decades due to the government's inability to expropriate the necessary prime real estate in central Tokyo.

[11] The Japan headquarters of Novartis and State Street Corporation are also located in the Mori Tower.