Tomodachi

The main antagonist of the series. An enigmatic cult leader who, in 1997, began using the symbol Kenji and his friends put together in the 1970s. His followers have filled venues such as the Budokan.One of his goals is to take over the world. His face is hidden in shadow throughout the series; he even confronts Kenji by wearing a mask. His true identity is one of the driving mysteries of the series. As of 2000, the Friendship Democratic Party (FDP) is established as a political group with government representatives such as Manjome Inshu.

Over the course of the series, two people assume the identity of Friend: Fukubei, who is one of Kenji's schoolmates, initially appears to be one of Kenji's allies, and Katsumata, another of Kenji's schoolmates, the latter of whom possesses special powers.