Theodore Heinrich

Theodore Heinrich (セオドア・ハインリッヒ) is the main antagonist of the Alternate Reality Arc, and one of the two main antagonists of the Death Chamber and Twilight's Destiny arc. He is also the fifth main antagonist of the Silver NX series.

Theodore learned of the existence of the Spear of Anarchy and was joined by Michael D'Angelo and Hisashi Kujo, successfully using the spear to alter reality. During this, he discovered the existence of a medieval spirit within him and realized Shunichi Takahashi was made aware of the changes.

Theodore then attempted to locate the Twilight Note to free the spirit and use its dark magic to rule the world in his image. Becoming enemies with Darkness, Theodore sent Michael, Hisashi, and the city after Team Monolith.

Following the death of Judai Rhodes, Theodore released the spirit of Upsilon from within him but was killed soon after.

Appearance
Theodore Heinrich is a man of average height and slim to athletic build. He has light, loosely combed back hair with a few strands out of place, noticeably styled after Yoshikage Kira from JoJo's Bizarre Adventure. As the mayor of Unys City in his alternate reality, he wears a dark business suit and a light colored tie patterned by a column of emblems resembling the series' symbol.

When possessed by Upsilon, Theodore's hair raises up and becomes slightly spiky.

Personality
Theodore is a serial killer and a racist bigot, characterized as highly egocentric and psychopathic, with a few sadistic and obsessive-compulsive tendencies.