Masayuki Doi (土居政之) is an employee of Atlus, working as a graphic artist since Persona 2: Eternal Punishment. Before Doi was chosen as the character designer for the Trauma series starting with, Doi was primarily occupied with the coloring of character portraits and the creation of the visual design of the dungeons.
Kazuyuki Yamai, the director of Shin Megami Tensei IV, explained in an interview that he chose Doi as the character designer for the game since Doi is able to create simplistic characters that have a strong sense of presence.
|Persona 2: Eternal Punishment||2000||PlayStation||Character Coloring|
|Shin Megami Tensei III: Nocturne||2003||PlayStation 2||Concept Art|
|Digital Devil Saga: Avatar Tuner||2004||PlayStation 2||Concept Art, Sub-character Designer|
|Digital Devil Saga: Avatar Tuner 2||2005||PlayStation 2||Concept Art, Sub-character Designer|
|Devil Summoner: Raidou Kuzunoha vs. The Soulless Army||2005||PlayStation 2||Concept Art, Sub-character Designer|
|Persona 2: Eternal Punishment||2012||PlayStation Portable||Character coloring, New Character Designer, Character Artwork|
|Devil Summoner: Soul Hackers||2012||Nintendo 3DS||Character Artwork|
|Shin Megami Tensei IV||2013||Nintendo 3DS||Character Designer|
|Shin Megami Tensei IV Final||2016||Nintendo 3DS||Character Designer, New Demon Designer/Artwork|