Enhanced DOOM Universe · Codex
A. Chang
Mars City maintenance technician — Lu Hsun Gates roster in 2141.
Rank: Maintenance Technician
Alignment: Union Aerospace Corporation
Fate: Unknown (presumed dead)
First appearance: Lu Hsun Gates
Haven't seen you before. You must be with that new detachment coming to check on us.— A. Chang, upon meeting the Marine (Doom 3)
A. Chang is a maintenance technician at Mars City in 2145, reconfiguring systems at a console while checking his PDA. He notices new transfers and gets annoyed if bothered.
On Lu Hsun Gates (2141) he appears on the featured roster before his canonical Mars City shift.
His fate after the invasion is unknown.
PDA Contents
Maintenance technician — Lu Hsun roster (Personnel log)A. Chang — maintenance technician, Mars City. Console reconfiguration, PDA in hand. Haven't seen you before. You must be with that new detachment coming to check on us. I'm prioritizing the job. Don't bother me unless the system's down. Lu Hsun Gates in '41 — featured roster. Same trade, Mercury grid. New detachment, old rules: authorized areas only. I don't give tours. If you're on Personnel: full log TBD. Let me work.
Background
Chang approaches a console while checking his PDA in Doom 3. He identifies the player as a new transfer and refuses extended conversation.
His fate after the invasion is unknown.
The Lu Hsun roster entry is fan fiction.
Background gallery
Public / career images — separate from the Mercury Rising set.
Sources
Want more background? These are the public wiki pages this Codex entry draws from.