Mertz (scientist)

For other uses, see Mertz (disambiguation).

Dr. Mertz is a Black Mesa scientist who was accommodated in the Level 3 Dormitories in the Black Mesa South Wing. There they shared room 311 with Pitchford.

Behind the scenes[]

This scientist only appears as a name beside a bedroom door in the fifth chapter of Half-Life: Decay, Domestic Violence.
Like their HECU recruit namesake, "Mertz" is a nod to David Mertz, employee at Gearbox, placed there as an Easter egg.

List of appearances[]

Half-Life: Decay (First appearance) (Game files only) (Non-canonical appearance)

Characters
Playable characters	Alyx Vance • Adrian Shepard • ATLAS and P-body • Barney Calhoun • Colette Green • Chell • Desk Employee • Gina Cross • Gordon Freeman • Ivan the Space Biker (cut) • Mel (cut) • R-4913 and X-8973
Aperture Science	ATLAS and P-body • Caroline • Chell • Desk Employee • GLaDOS • Grady • Greg • Mel (cut) • Doug Rattmann • Test Subject 042 • Test Subject 234 • Cave Johnson • Wheatley • Minor Aperture Science employees
Black Mesa	Walter Bennet • Wallace Breen • Barney Calhoun • Gina Cross • Gordon Freeman • Colette Green • Ivan the Space Biker (cut) • Richard Keller • Isaac Kleiner • Otis Laurey • Arne Magnusson • Miller • Rosenberg • Simmons • Eli Vance • Minor Black Mesa employees
Combine	314 URB-LOC 0017 Advisor • Barn Advisor • The Consul (cut) • Wallace Breen • Barney Calhoun • Unnamed Scientist • Vance (cut)
HECU	Dwight T. Barnes • Sharpe • Adrian Shephard • Minor HECU members
Resistance	All-Knowing Vortigaunt • Barney Calhoun • Consoling Couple • Odessa Cubbage • Dog • Gary • Gordon Freeman • Griggs • Helena Mossman (cut) • Johanson (cut) • Isaac Kleiner • Lamarr • Laszlo • Leon • MIRT • Arne Magnusson • Eli Maxwell (cut) • Judith Mossman • Nigel (cut) • Odell (cut) • Olga • Russell • Sandy • Sheckley • Skitch (cut) • Unidentified deaf character (cut) • Uriah • Alyx Vance • Eli Vance • Vance (cut) • Victory Mine Vortigaunt • Combine Killer • Minor Resistance members
Xen	All-Knowing Vortigaunt • Gary • Nihilanth • R-4913 and X-8973 • Uriah • Victory Mine Vortigaunt • Lamarr
Other	The Fisherman (cut) • The G-Man • Grigori • Larry • Samuel (cut) • Azian Vance

Black Mesa
Science Team	Walter Bennet • Wallace Breen • Barney Calhoun • Bernier (cut) • Caughley (cut) • Cook (cut) • Donaldson (cut) • Gina Cross • Gordon Freeman • Colette Green • Harold • Ivan the Space Biker (cut) • Lundeen (cut) • Richard Keller • Isaac Kleiner • Arne Magnusson • Mark (cut) • Mennet (cut) • Myers (cut) • Rosenberg • Eli Vance • Minor Black Mesa employees • Theodore (cut) • Walker (cut)
Security Force	Barney Calhoun • Otis Laurey • Miller
Other personnel	L.M.
Residents	Alyx Vance • Azian Vance
Technology	Anti-Mass Spectrometer • Armor Vest and Helmet • Battery • Black Mesa Announcement System • Charger • Cleansuit • Delivery cart • Emergency flare (cut) • Fire Extinguisher • HEV Suit • Holographic Assistant • Long Jump Module • Medkit • The Mesa Times • MTM 8 • Oxygen Bottles (cut) • Powerup Bottles (cut) • Retinal scanner • Satellite Delivery Rocket • Security Card (cut) • Teleportation • Weapon Box
Weapons	Barnacle Grapple • Crossbow • Ceiling Turret • Colt Python • Crowbar • Desert Eagle • Displacer Cannon • Glock 17 • Gluon Gun • Laser Tripmine • Mark IV Thermonuclear Device • Mk 2 Grenade • MP5 • Pipe Wrench • RPG • Satchel Charge • Spore Launcher • SPAS-12 • Tau Cannon
Locations	Advanced Biological Research Lab • Alien Quarantine Labs • Area 8 Topside Dormitories • Biological Waste Processing Plant • Black Mesa Air Control • Black Mesa desert • Black Mesa Medical Lab • Black Mesa Research Facility • Black Mesa Sectors: Sector A Training Facility / Sector B Coolant Reserve / Sector C Test Labs / Sector D Administration / Sector E Biodome Complex / Sector F Lambda Complex / Sector G Hydro Electric • Black Mesa South Access • Black Mesa Transit System • Freight Yard • Gamma Labs • Level 3 Dormitories • Section A-17 Prototype Labs • Topside Motorpool • Waste Processing Area 3
Transportation	Black Mesa SUV • Black Mesa Transit System • Black Mesa truck
Other	Black Mesa Incident • Black Mesa Personnel • Black Mesa Science Team • Black Mesa Security Force • Lambda logo