Simon Marcus

is a major antagonist of Build NEW WORLD: Kamen Rider Grease who is able to transform into . He was the leader of Down Fall until he was betrayed and killed by Keiji Uraga.
==History==
===Build NEW WORLD: Kamen Rider Grease===
Simon Marcus is representive from the United Nations who came to Japan to learn their technology and warning them of Down Fall. While Prime Minister Taizan Himuro stated that the Rider System was essential for Japan's defense, Simon Marcus expressed concern for what would happen if Down Fall obtained it. As Simon spoke in English, Gentoku Himuro helped Taizan as the translator and the introduction of the Guardians and a Build Driver created by Shinobu Katsuragi.
Just then, the meeting was attacked by a group of Down Fall operatives led by Keiji Uraga, who hacked into the Guardians. While Gentoku transformed into Kamen Rider Rogue to fight them off, but Simon Marcus assumed the form of Phantom Crusher and disabled Gentoku's transformation, revealing himself as Down Fall's leader and had Gentoku captured. Victory was in their grasp, until he questions Uraga why he captured Misora Isurugi. However, he is immediately shot down by Uraga, shocking Marcus of why he was betrayed as Uraga takes over Down Fall.
==Phantom Crusher==
==Behind the Scenes==
===Portrayal===
Simon Marcus is portrayed by .
===Concept Art===
Phantom Crusher concept art was designed by .
==Notes==
*Like Killbus, Phantom Crusher's spider motif is also a part of the recurring bat/cobra/spider trio in the Kamen Rider franchise, a tribute to the first two Shocker monsters as well as the first monster to be upgraded, following Blood Stalk's cobra motif and Night Rogue's bat motif.
==Appearances==
* Kamen Rider Build 
** Build NEW WORLD: Kamen Rider Grease
* 
==External links==
==Navigation==
ru:Саймон Маркус
Category:Villains
Category:Movie-exclusive Villains
Category:Build Characters
Category:Down Fall
Category:Leader
Category:Robot Monsters
Category:Deceased
Category:Kamen Rider like