diff --git a/src/game/chr.c b/src/game/chr.c
index 63e795d4f..19459fe31 100644
--- a/src/game/chr.c
+++ b/src/game/chr.c
@@ -2218,8 +2218,8 @@ glabel var7f1a87a8
 //
 //		prop->flags |= PROPFLAG_ONTHISSCREENTHISTICK | PROPFLAG_ONANYSCREENTHISTICK;
 //
-//		if (obj->hidden & OBJHFLAG_00000040) {
-//			mtx00015be4(sp104, (Mtxf *)&obj->projectile->speed, &sp80);
+//		if (obj->hidden & OBJHFLAG_HANGINGMONITOR) {
+//			mtx00015be4(sp104, &obj->monitormount->matrix, &sp80);
 //			thing.matrix = &sp80;
 //		} else if (CHRRACE(chr) == RACE_SKEDAR) {
 //			// The skedar hand position is rotated weirdly, so compensate for it
@@ -3135,7 +3135,7 @@ void chrDropConcealedItems(struct chrdata *chr)
 		if (prop != chr->weapons_held[2]
 				&& prop != chr->weapons_held[1]
 				&& prop != chr->weapons_held[0]
-				&& (prop->obj->hidden & OBJHFLAG_00000040) == 0
+				&& (prop->obj->hidden & OBJHFLAG_HANGINGMONITOR) == 0
 				&& (prop->obj->flags & OBJFLAG_AIUNDROPPABLE) == 0) {
 			objSetDropped(prop, DROPTYPE_DEFAULT);
 		}
diff --git a/src/game/propobj.c b/src/game/propobj.c
index ab8284e38..698be92f5 100644
--- a/src/game/propobj.c
+++ b/src/game/propobj.c
@@ -116,7 +116,7 @@ struct hatobj *g_HatSlots;
 struct ammocrateobj *g_AmmoCrates;
 struct defaultobj *var8009ce64;
 struct projectile *g_Projectiles;
-struct monitorthing *g_MonitorThings;
+struct monitormount *g_MonitorMounts;
 
 u32 g_TintedGlassEnabled = 0;
 s32 g_AlarmTimer = 0;
@@ -2145,7 +2145,7 @@ void projectileReset(struct projectile *projectile)
 	projectile->unk018 = 0;
 	projectile->unk01c = 0;
 
-	mtx4LoadIdentity((Mtxf *)&projectile->unk020);
+	mtx4LoadIdentity(&projectile->unk020);
 
 	projectile->unk060 = 1;
 	projectile->ownerprop = NULL;
@@ -2175,7 +2175,7 @@ void projectileReset(struct projectile *projectile)
 	projectile->unk0f0 = 0;
 }
 
-struct projectile *projectileGetNew(void)
+struct projectile *projectileAllocate(void)
 {
 	s32 bestindex = -1;
 	s32 i;
@@ -2224,17 +2224,17 @@ void func0f0685e4(struct prop *prop)
 {
 	struct defaultobj *obj = prop->obj;
 
-	if (obj->hidden & OBJHFLAG_00000040) {
-		if (obj->projectile->unk044) {
-			projectileReset(obj->projectile->unk044);
+	if (obj->hidden & OBJHFLAG_HANGINGMONITOR) {
+		if (obj->monitormount->projectile) {
+			projectileReset(obj->monitormount->projectile);
 		} else {
-			obj->projectile->unk044 = projectileGetNew();
+			obj->monitormount->projectile = projectileAllocate();
 		}
 	} else if ((obj->hidden & OBJHFLAG_AIRBORNE) == 0) {
 		if (obj->projectile) {
 			projectileReset(obj->projectile);
 		} else {
-			obj->projectile = projectileGetNew();
+			obj->projectile = projectileAllocate();
 		}
 
 		if (obj->projectile) {
@@ -2248,8 +2248,8 @@ void objSetProjectileFlag4(struct prop *prop)
 	struct defaultobj *obj = prop->obj;
 	struct projectile *projectile = NULL;
 
-	if (obj->hidden & OBJHFLAG_00000040) {
-		projectile = obj->projectile->unk044;
+	if (obj->hidden & OBJHFLAG_HANGINGMONITOR) {
+		projectile = obj->monitormount->projectile;
 	} else if (obj->hidden & OBJHFLAG_AIRBORNE) {
 		projectile = obj->projectile;
 	}
@@ -2259,21 +2259,21 @@ void objSetProjectileFlag4(struct prop *prop)
 	}
 }
 
-void projectileSetFlag1(struct projectile *projectile)
+void monitormountFree(struct monitormount *mount)
 {
-	projectile->flags |= PROJECTILEFLAG_00000001;
+	mount->flags |= MONITORMOUNTFLAG_FREE;
 }
 
-struct monitorthing *monitorthingGetNew(void)
+struct monitormount *monitormountAllocate(void)
 {
 	s32 i;
 
 	for (i = 0; i < g_MaxMonitorThings; i++) {
-		if (g_MonitorThings[i].flags & 0x00000001) {
-			g_MonitorThings[i].flags = 0;
-			g_MonitorThings[i].unk044 = NULL;
+		if (g_MonitorMounts[i].flags & MONITORMOUNTFLAG_FREE) {
+			g_MonitorMounts[i].flags = 0;
+			g_MonitorMounts[i].projectile = NULL;
 
-			return &g_MonitorThings[i];
+			return &g_MonitorMounts[i];
 		}
 	}
 
@@ -6384,17 +6384,17 @@ void func0f06ac90(struct prop *prop)
 	if (prop && prop->obj) {
 		struct defaultobj *obj = prop->obj;
 
-		if (obj->hidden & OBJHFLAG_00000040) {
-			if (obj->projectile) {
-				if (obj->projectile->unk044) {
-					projectileFree(obj->projectile->unk044);
+		if (obj->hidden & OBJHFLAG_HANGINGMONITOR) {
+			if (obj->monitormount) {
+				if (obj->monitormount->projectile) {
+					projectileFree(obj->monitormount->projectile);
 				}
 
-				projectileSetFlag1(obj->projectile);
+				monitormountFree(obj->monitormount);
 			}
 
-			obj->projectile = NULL;
-			obj->hidden &= ~OBJHFLAG_00000040;
+			obj->monitormount = NULL;
+			obj->hidden &= ~OBJHFLAG_HANGINGMONITOR;
 		} else if (obj->hidden & OBJHFLAG_AIRBORNE) {
 			objEndFlight(obj);
 		}
@@ -13692,7 +13692,7 @@ glabel func0f06ef44
 /*  f06ef68:	31f80002 */ 	andi	$t8,$t7,0x2
 /*  f06ef6c:	53000047 */ 	beqzl	$t8,.L0f06f08c
 /*  f06ef70:	00001025 */ 	or	$v0,$zero,$zero
-/*  f06ef74:	0fc1a1bc */ 	jal	monitorthingGetNew
+/*  f06ef74:	0fc1a1bc */ 	jal	monitormountAllocate
 /*  f06ef78:	8c900004 */ 	lw	$s0,0x4($a0)
 /*  f06ef7c:	10400042 */ 	beqz	$v0,.L0f06f088
 /*  f06ef80:	ae020048 */ 	sw	$v0,0x48($s0)
@@ -14153,7 +14153,7 @@ bool propExplode(struct prop *prop, s32 exptype)
 		func0f065e74(&parent->pos, parent->rooms, &pos, rooms);
 
 		result = explosionCreateComplex(NULL, &pos, rooms, exptype, playernum);
-	} else if ((obj->hidden & (OBJHFLAG_00000040 | OBJHFLAG_AIRBORNE | OBJHFLAG_00020000)) == OBJHFLAG_00020000) {
+	} else if ((obj->hidden & (OBJHFLAG_HANGINGMONITOR | OBJHFLAG_AIRBORNE | OBJHFLAG_00020000)) == OBJHFLAG_00020000) {
 		struct coord sp5c;
 		struct coord sp50;
 		f32 ymin = modelBboxGetYMin(modelFindBboxRodata(obj->model));
@@ -17505,7 +17505,7 @@ glabel var7f1aa2c4
 //
 //					func0f0685e4(prop);
 //
-//					if (obj->hidden & OBJHFLAG_00000040) {
+//					if (obj->hidden & OBJHFLAG_HANGINGMONITOR) {
 //						projectile = obj->projectile->unk044;
 //					} else if (obj->hidden & OBJHFLAG_AIRBORNE) {
 //						projectile = obj->projectile;
@@ -17950,14 +17950,14 @@ void func0f07079c(struct prop *prop, bool fulltick)
 		return;
 	}
 
-	if (model->attachedtonode && (obj->hidden & OBJHFLAG_00000040)) {
+	if (model->attachedtonode && (obj->hidden & OBJHFLAG_HANGINGMONITOR)) {
 		Mtxf *mtx = model0001a5cc(model->attachedtomodel, model->attachedtonode, 0);
 		struct modelrenderdata renderdata = {NULL, true, 3};
 		u32 stack;
 		Mtxf sp30;
 
 		prop->flags |= PROPFLAG_ONTHISSCREENTHISTICK | PROPFLAG_ONANYSCREENTHISTICK;
-		mtx00015be4(mtx, &obj->monitorthing->matrix, &sp30);
+		mtx00015be4(mtx, &obj->monitormount->matrix, &sp30);
 
 		renderdata.unk10 = gfxAllocate(model->filedata->nummatrices * sizeof(Mtxf));
 		renderdata.unk00 = &sp30;
@@ -67975,8 +67975,8 @@ void objSetDropped(struct prop *prop, u32 droptype)
 
 		func0f0685e4(prop);
 
-		if ((obj->hidden & OBJHFLAG_00000040) && obj->projectile->unk044) {
-			obj->projectile->unk044->droptype = droptype;
+		if ((obj->hidden & OBJHFLAG_HANGINGMONITOR) && obj->monitormount->projectile) {
+			obj->monitormount->projectile->droptype = droptype;
 		} else if (obj->hidden & OBJHFLAG_AIRBORNE) {
 			obj->projectile->droptype = droptype;
 		}
@@ -68856,13 +68856,13 @@ bool objDrop(struct prop *prop, bool lazy)
 	struct coord spe4;
 	s16 rooms[8];
 
-	if ((obj->hidden & OBJHFLAG_00000040) && obj->projectile->unk044) {
-		struct projectile *projectile2 = obj->projectile->unk044;
+	if ((obj->hidden & OBJHFLAG_HANGINGMONITOR) && obj->monitormount->projectile) {
+		struct projectile *projectile2 = obj->monitormount->projectile;
 
-		projectileSetFlag1(obj->projectile);
+		monitormountFree(obj->monitormount);
 
 		obj->projectile = projectile2;
-		obj->hidden &= ~OBJHFLAG_00000040;
+		obj->hidden &= ~OBJHFLAG_HANGINGMONITOR;
 		obj->hidden |= OBJHFLAG_AIRBORNE;
 	}
 
@@ -78149,7 +78149,7 @@ struct weaponobj *weaponCreate(bool musthaveprop, bool musthavemodel, struct mod
 #endif
 			{
 				if (g_WeaponSlots[i].base.prop->parent) {
-					if (g_WeaponSlots[i].base.hidden & OBJHFLAG_00000040) {
+					if (g_WeaponSlots[i].base.hidden & OBJHFLAG_HANGINGMONITOR) {
 						usable = true;
 					}
 				} else {
diff --git a/src/game/setup.c b/src/game/setup.c
index 51f8ab5da..d4dfe2dea 100644
--- a/src/game/setup.c
+++ b/src/game/setup.c
@@ -273,12 +273,12 @@ void propsReset(void)
 	}
 
 	if (g_MaxMonitorThings == 0) {
-		g_MonitorThings = 0;
+		g_MonitorMounts = 0;
 	} else {
-		g_MonitorThings = mempAlloc(ALIGN16(g_MaxMonitorThings * sizeof(struct monitorthing)), MEMPOOL_STAGE);
+		g_MonitorMounts = mempAlloc(ALIGN16(g_MaxMonitorThings * sizeof(struct monitormount)), MEMPOOL_STAGE);
 
 		for (i = 0; i < g_MaxMonitorThings; i++) {
-			g_MonitorThings[i].flags = 0x00000001;
+			g_MonitorMounts[i].flags = 0x00000001;
 		}
 	}
 
@@ -1689,8 +1689,9 @@ void setupCreateSingleMonitor(struct singlemonitorobj *monitor, s32 cmdindex)
 	monitor->screen = var8009ce98;
 	tvscreenSetImageByNum(&monitor->screen, monitor->imagenum);
 
-	// The setup files never place any monitors on a -1 pad, so this code is
-	// unreachable. It appears to allow attaching monitors to other objects.
+	// In GE, monitors with a negative pad are hanging TVs which attach to a
+	// hangingmonitors object, which is actually just the mount. In PD, hanging
+	// monitors do not exist in the setup files so this code is unused.
 	if (monitor->base.pad < 0 && (monitor->base.flags & OBJFLAG_INSIDEANOTHEROBJ) == 0) {
 		s32 modelnum = monitor->base.modelnum;
 		struct defaultobj *owner = (struct defaultobj *)setupGetCmdByIndex(cmdindex + monitor->owneroffset);
@@ -1709,10 +1710,10 @@ void setupCreateSingleMonitor(struct singlemonitorobj *monitor, s32 cmdindex)
 		}
 
 		prop = objInitWithAutoModel(&monitor->base);
-		monitor->base.monitorthing = monitorthingGetNew();
+		monitor->base.monitormount = monitormountAllocate();
 
-		if (prop && monitor->base.monitorthing) {
-			monitor->base.hidden |= OBJHFLAG_00000040;
+		if (prop && monitor->base.monitormount) {
+			monitor->base.hidden |= OBJHFLAG_HANGINGMONITOR;
 			modelSetScale(monitor->base.model, monitor->base.model->scale * scale);
 			monitor->base.model->attachedtomodel = owner->model;
 
@@ -1736,7 +1737,7 @@ void setupCreateSingleMonitor(struct singlemonitorobj *monitor, s32 cmdindex)
 			spa4.z = -spa4.z;
 
 			mtx4LoadTranslation(&spa4, &sp24);
-			mtx00015be4(&sp64, &sp24, &monitor->base.monitorthing->matrix);
+			mtx00015be4(&sp64, &sp24, &monitor->base.monitormount->matrix);
 		}
 	} else {
 		setupCreateObject(&monitor->base, cmdindex);
diff --git a/src/include/bss.h b/src/include/bss.h
index f2cf345ae..fd4400968 100644
--- a/src/include/bss.h
+++ b/src/include/bss.h
@@ -110,7 +110,7 @@ extern struct hatobj *g_HatSlots;
 extern struct ammocrateobj *g_AmmoCrates;
 extern struct defaultobj *var8009ce64;
 extern struct projectile *g_Projectiles;
-extern struct monitorthing *g_MonitorThings;
+extern struct monitormount *g_MonitorMounts;
 extern u32 var8009ce70;
 extern u32 var8009ce74;
 extern u32 var8009ce78[4];
diff --git a/src/include/constants.h b/src/include/constants.h
index 01d9a7cc3..c32dc1a18 100644
--- a/src/include/constants.h
+++ b/src/include/constants.h
@@ -2468,6 +2468,9 @@
 #define MODFILE_MPSETUP 2
 #define MODFILE_BOSS    4
 
+// Might be the same flags as PROJECTILEFLAG
+#define MONITORMOUNTFLAG_FREE 0x00000001
+
 #define MOVEMODE_WALK     0
 #define MOVEMODE_BIKE     3
 #define MOVEMODE_GRAB     4
@@ -3045,7 +3048,7 @@
 #define OBJHFLAG_ISRETICK           0x00000008
 #define OBJHFLAG_TAGGED             0x00000010
 #define OBJHFLAG_00000020           0x00000020 // thrown knife
-#define OBJHFLAG_00000040           0x00000040
+#define OBJHFLAG_HANGINGMONITOR     0x00000040
 #define OBJHFLAG_AIRBORNE           0x00000080
 #define OBJHFLAG_00000100           0x00000100
 #define OBJHFLAG_00000200           0x00000200
diff --git a/src/include/game/propobj.h b/src/include/game/propobj.h
index 1d8748bdb..626c12e08 100644
--- a/src/include/game/propobj.h
+++ b/src/include/game/propobj.h
@@ -68,11 +68,11 @@ u32 func0f068218(void);
 void projectileFree(struct projectile *projectile);
 void projectilesUnrefOwner(struct prop *owner);
 void projectileReset(struct projectile *projectile);
-struct projectile *projectileGetNew(void);
+struct projectile *projectileAllocate(void);
 void func0f0685e4(struct prop *prop);
 void objSetProjectileFlag4(struct prop *prop);
-void projectileSetFlag1(struct projectile *projectile);
-struct monitorthing *monitorthingGetNew(void);
+void monitormountFree(struct monitormount *mount);
+struct monitormount *monitormountAllocate(void);
 s32 objGetDestroyedThird(struct defaultobj *obj);
 s32 objGetDestroyedValue(struct defaultobj *obj);
 struct modelnode *func0f0687e4(struct model *model);
diff --git a/src/include/types.h b/src/include/types.h
index c6e6bb9fe..9efb82969 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -1471,22 +1471,7 @@ struct projectile {
 	/*0x014*/ f32 unk014;
 	/*0x018*/ f32 unk018;
 	/*0x01c*/ f32 unk01c;
-	/*0x020*/ f32 unk020;
-	/*0x024*/ u32 unk024;
-	/*0x028*/ u32 unk028;
-	/*0x02c*/ u32 unk02c;
-	/*0x030*/ u32 unk030;
-	/*0x034*/ f32 unk034;
-	/*0x038*/ f32 unk038;
-	/*0x03c*/ f32 unk03c;
-	/*0x040*/ u32 unk040;
-	/*0x044*/ struct projectile *unk044;
-	/*0x048*/ u32 unk048;
-	/*0x04c*/ u32 unk04c;
-	/*0x050*/ u32 unk050;
-	/*0x054*/ u32 unk054;
-	/*0x058*/ u32 unk058;
-	/*0x05c*/ u32 unk05c;
+	/*0x020*/ Mtxf unk020;
 	/*0x060*/ f32 unk060;
 	/*0x064*/ u32 unk064;
 	/*0x068*/ u32 unk068;
@@ -1530,10 +1515,10 @@ struct projectile {
 	/*0x108*/ struct prop *unk108;
 };
 
-struct monitorthing {
+struct monitormount {
 	/*0x000*/ u32 flags;
 	/*0x004*/ Mtxf matrix;
-	/*0x044*/ struct projectile *unk044;
+	/*0x044*/ struct projectile *projectile;
 };
 
 struct tvscreen {
@@ -1618,7 +1603,7 @@ struct defaultobj {
 	};
 	union {
 		/*0x48*/ struct projectile *projectile;
-		/*0x48*/ struct monitorthing *monitorthing;
+		/*0x48*/ struct monitormount *monitormount;
 	};
 	/*0x4c*/ s16 damage;
 	/*0x4e*/ s16 maxdamage;