|Appearance||Tales of the Abyss|
|Japanese Voice Actor||Aston|
•Adachi Takahide (anime)
•Chafurin (game, anime)
•Nitta Makiko (anime)
Born in N.D. 1952, Iemon serves the role of leader for Class M. Although their rivalry with Class I fuels their competitive research, Class M tends to acknowledge the talents of Class I and even collaborates with them in aiding the protagonists descend into Auldrant's core and stabilize its vibration in hopes of reducing the production of miasma. Iemon's grandchildren, Noelle and Ginji, pilot the different variants of the flying Albiore, technology from the Dawn Age that was resurrected by Class M. In protecting the group, Iemon and Tamara are killed in an onslaught led by the God-General Legretta.