|Other Names, etc.||Mashuu (nickname)|
|Age||17, Timeskip 19|
|Title||Imperial Order of Knights|
|Rank||Warrant Officer (Vol 1) → 2nd Lieutenant (Vol 3)|
|School||Imperial Segal High Grade Academy|
|Anime debut||Episode 1|
|Manga debut||Chapter 1|
|Light Novel debut||Light Novel Volume 1|
Matthew Tetridch (マシュー・テトジリチ Mathew Tetojirichi) is the male side character of Nejimaki Seirei Senki: Tenkyō no Alderamin.
He is plump and has freckles/pimples on both cheeks.
He has a strong ambition to succeed in the army but he lost against prodigies such as Ikta, Yatori and Torway.
Although his ability as an army officer is not remarkable but when he goes to campaigns with Ikta and Torway his ability keeps growing steadily everyday. He showed great result and responded to Ikta's expectation when defending against other armies.
He is the eldest son from the Tetridch family. The Tetridch family is one of the oldest military factions. He is in the same class as Ikta and Yatori at Imperial Segal High Grade Academy. Ikta treats him as a best friend.