Graien Grassman, also known as Graien Grusman is a fictional character in the Super Robot Wars series. He has appeared as a non-playable character in Super Robot Taisen: Original Generation 2 and Super Robot Wars Original Generations.
Graien Grassman is the chairman for the Grusman party. A faction that supports unitary rule, their support greatly increased after the Tokyo Manifest announcement. The current government had been sworn in without democratic elections, leading to poor support from civilians. He became the president after a successful overthrow by Mitsuko Isurugi, CEO of Isurugi Industries. He generally supports Bian Zoldark's ideals through his military allegiance is the Earth Federation Army. He met his end however due to Alteur Steinbeck's plan to frame the Steel Dragon Squad for his murder.