Finis Socius (フォー・ソキウス) is a character in Mobile Suit Gundam SEED VS Astray.
Finis is a member of Librarian Works and pilots the LH-GAT-X103 Hail Buster Gundam. The Socius series of clones were Combat Coordinators created by the Earth Alliance and have genetic modification to make them subservient to Naturals. However, Finis is a newly created Socius, and does not have the genetic safeguard, thus he can attack Naturals. He is also more expressive than the other Socius and is foul-mouthed.