diff --git a/wadsrc/static/zscript/games/duke/actors/bloodsplats.zs b/wadsrc/static/zscript/games/duke/actors/bloodsplats.zs
index b8ea4d7e0..caa6e91ea 100644
--- a/wadsrc/static/zscript/games/duke/actors/bloodsplats.zs
+++ b/wadsrc/static/zscript/games/duke/actors/bloodsplats.zs
@@ -12,7 +12,7 @@ class DukeBloodSplat1 : DukeActor
 		self.scale.X = 0.109375 + random(0, 7) * REPEAT_SCALE;
 		self.scale.Y = 0.109375 + random(0, 7) * REPEAT_SCALE;
 		self.pos.Z -= 16;
-		if (self.ownerActor && self.ownerActor.pal == 6)
+		if (!self.mapSpawned && self.ownerActor && self.ownerActor.pal == 6)
 			self.pal = 6;
 		self.insertspriteq();
 	}
diff --git a/wadsrc/static/zscript/games/duke/actors/canwithsomething.zs b/wadsrc/static/zscript/games/duke/actors/canwithsomething.zs
index 6fbf3c195..17ea473be 100644
--- a/wadsrc/static/zscript/games/duke/actors/canwithsomething.zs
+++ b/wadsrc/static/zscript/games/duke/actors/canwithsomething.zs
@@ -11,7 +11,7 @@ class DukeCanWithSomething : DukeActor
 		
 	override void Initialize()
 	{
-		if (self.ownerActor != self)
+		if (!self.mapSpawned)
 			self.scale = (0.5, 0.5);
 		self.makeitfall();
 		self.cstat = CSTAT_SPRITE_BLOCK_ALL | randomXFlip();
diff --git a/wadsrc/static/zscript/games/duke/actors/dukemisc.zs b/wadsrc/static/zscript/games/duke/actors/dukemisc.zs
index f4f6907a6..d7c5b0ebd 100644
--- a/wadsrc/static/zscript/games/duke/actors/dukemisc.zs
+++ b/wadsrc/static/zscript/games/duke/actors/dukemisc.zs
@@ -74,7 +74,7 @@ class DukeFootprints : DukeActor
 	
 	override void Initialize()
 	{
-		if (self != self.ownerActor)
+		if (!self.mapSpawned)
 		{
 			bool away = self.isAwayFromWall(5.25);
 			if (!away)
diff --git a/wadsrc/static/zscript/games/duke/actors/forcesphere.zs b/wadsrc/static/zscript/games/duke/actors/forcesphere.zs
index 9e2225130..7a7cc0944 100644
--- a/wadsrc/static/zscript/games/duke/actors/forcesphere.zs
+++ b/wadsrc/static/zscript/games/duke/actors/forcesphere.zs
@@ -8,7 +8,7 @@ class DukeForceSphere : DukeActor
 	
 	override void Initialize()
 	{
-		if (ownerActor == self)
+		if (self.mapSpawned)
 		{
 			self.cstat = CSTAT_SPRITE_INVISIBLE;
 			self.ChangeStat(STAT_ZOMBIEACTOR);
diff --git a/wadsrc/static/zscript/games/duke/actors/frameeffect.zs b/wadsrc/static/zscript/games/duke/actors/frameeffect.zs
index 52a7ec04e..82c526eec 100644
--- a/wadsrc/static/zscript/games/duke/actors/frameeffect.zs
+++ b/wadsrc/static/zscript/games/duke/actors/frameeffect.zs
@@ -9,7 +9,7 @@ class DukeFrameEffect : DukeActor
 	
 	override void Initialize()
 	{
-		if (self != self.ownerActor)
+		if (!self.mapSpawned && self.ownerActor)
 		{
 			self.scale = self.ownerActor.scale;
 		}
@@ -41,7 +41,7 @@ class DukeFrameEffect : DukeActor
 	override bool animate(tspritetype t)
 	{
 		let OwnerAc = self.ownerActor;
-		if (OwnerAc && OwnerAc.statnum < MAXSTATUS)
+		if (OwnerAc)
 		{
 			if (OwnerAc.isPlayer())
 				if (ud.cameraactor == nullptr)
diff --git a/wadsrc/static/zscript/games/duke/actors/heavyhbomb.zs b/wadsrc/static/zscript/games/duke/actors/heavyhbomb.zs
index ec57899c0..7abc4d003 100644
--- a/wadsrc/static/zscript/games/duke/actors/heavyhbomb.zs
+++ b/wadsrc/static/zscript/games/duke/actors/heavyhbomb.zs
@@ -11,7 +11,7 @@ class DukePipeBomb : DukeActor
 	override void Initialize()
 	{
 		// This is only for placed items, not for armed weapons!
-		if (self.ownerActor == self)
+		if (self.mapSpawned)
 		{
 			self.extra = gs.impact_damage;
 			self.cstat |= CSTAT_SPRITE_BLOCK_ALL; // Make it hitable
@@ -197,9 +197,9 @@ class DukePipeBomb : DukeActor
 						p.pals = Color(32, 0, 32, 0);
 					}
 
-					if (Owner != self || ud.respawn_items == 0)
+					if (!self.mapSpawned || ud.respawn_items == 0)
 					{
-						if (Owner == self && ud.coop >= 1)
+						if (self.mapSpawned && ud.coop >= 1)
 							return false;
 
 						self.Destroy();
diff --git a/wadsrc/static/zscript/games/duke/actors/mortar.zs b/wadsrc/static/zscript/games/duke/actors/mortar.zs
index 4ebe6c0cd..a0dd2d4bf 100644
--- a/wadsrc/static/zscript/games/duke/actors/mortar.zs
+++ b/wadsrc/static/zscript/games/duke/actors/mortar.zs
@@ -15,7 +15,6 @@ class DukeMortar : DukeActor
 	
 	void Common(int itemmode)
 	{
-		let Owner = self.ownerActor;
 		let sectp = self.sector;
 		DukePlayer p;
 		double xx;
@@ -160,7 +159,7 @@ class DukeBounceMine : DukeMortar
 	{
 		// This is only for placed items, not for armed weapons!
 		// Although this can be shot, it doesn't really work for that.
-		if (self.ownerActor == self)
+		if (self.mapSpawned)
 		{
 			self.ownerActor = self;
 			self.extra = gs.impact_damage << 2;
diff --git a/wadsrc/static/zscript/games/duke/actors/ooz.zs b/wadsrc/static/zscript/games/duke/actors/ooz.zs
index 97c15b2bd..8fc58f747 100644
--- a/wadsrc/static/zscript/games/duke/actors/ooz.zs
+++ b/wadsrc/static/zscript/games/duke/actors/ooz.zs
@@ -11,7 +11,7 @@ class DukeOoz : DukeActor
 	{
 		self.shade = -12;
 
-		if (self.ownerActor && self.OwnerActor != self)
+		if (!self.mapSpawned)
 		{
 			if (self.actorflag2(SFLAG2_PAL8OOZ))
 				self.pal = 8;
diff --git a/wadsrc/static/zscript/games/duke/actors/rat.zs b/wadsrc/static/zscript/games/duke/actors/rat.zs
index 3aa833564..6092e9f1f 100644
--- a/wadsrc/static/zscript/games/duke/actors/rat.zs
+++ b/wadsrc/static/zscript/games/duke/actors/rat.zs
@@ -12,7 +12,7 @@ class DukeRat : DukeActor
 	
 	override void Initialize()
 	{
-		if (ownerActor) self.lotag = 0;
+		if (!self.mapSpawned) self.lotag = 0;
 
 		if ((self.lotag > ud.player_skill) || ud.monsters_off == 1)
 		{
@@ -25,7 +25,7 @@ class DukeRat : DukeActor
 			self.angle = frandom(0, 360);
 			self.cstat = 0;
 
-			if (self.ownerActor)
+			if (!self.mapSpawned && self.ownerActor)
 			{
 				self.timetosleep = 0;
 				self.ChangeStat(STAT_ACTOR);
diff --git a/wadsrc/static/zscript/games/duke/actors/recon.zs b/wadsrc/static/zscript/games/duke/actors/recon.zs
index 495ce0716..c2032d898 100644
--- a/wadsrc/static/zscript/games/duke/actors/recon.zs
+++ b/wadsrc/static/zscript/games/duke/actors/recon.zs
@@ -156,7 +156,7 @@ class DukeRecon : DukeActor
 			self.angle += deltaangle(self.angle, (pactor.pos.XY - self.pos.XY).Angle()) * 0.25;
 		}
 
-		if (self.temp_data[0] != 2 && self.temp_data[0] != 3 && Owner)
+		if (self.temp_data[0] != 2 && self.temp_data[0] != 3 && Owner && Owner != self)
 		{
 			double dist = (Owner.pos.XY - self.pos.XY).Length();
 			if (dist <= 96)
diff --git a/wadsrc/static/zscript/games/duke/actors/respawnmarker.zs b/wadsrc/static/zscript/games/duke/actors/respawnmarker.zs
index fa9d804bc..2bdc6bae4 100644
--- a/wadsrc/static/zscript/games/duke/actors/respawnmarker.zs
+++ b/wadsrc/static/zscript/games/duke/actors/respawnmarker.zs
@@ -11,7 +11,7 @@ class DukeRespawnMarker : DukeActor
 	
 	override void Initialize()
 	{
-		if (ownerActor != self) self.pos.Z = ownerActor.floorZ;
+		if (!self.mapSpawned && ownerActor != null) self.pos.Z = ownerActor.floorZ;
 	}
 	
 	override void Tick()
diff --git a/wadsrc/static/zscript/games/duke/actors/shell.zs b/wadsrc/static/zscript/games/duke/actors/shell.zs
index 5b22ad968..b5107c943 100644
--- a/wadsrc/static/zscript/games/duke/actors/shell.zs
+++ b/wadsrc/static/zscript/games/duke/actors/shell.zs
@@ -11,7 +11,7 @@ class DukeShell : DukeActor
 	void initshell(bool isshell, double direction)
 	{
 		let Owner = self.OwnerActor;
-		if (Owner && Owner != self)
+		if (Owner && !self.mapSpawned)
 		{
 			double ang;
 
diff --git a/wadsrc/static/zscript/games/duke/actors/tongue.zs b/wadsrc/static/zscript/games/duke/actors/tongue.zs
index 3e7eb7269..239f01bfb 100644
--- a/wadsrc/static/zscript/games/duke/actors/tongue.zs
+++ b/wadsrc/static/zscript/games/duke/actors/tongue.zs
@@ -9,7 +9,8 @@ class DukeTongue : DukeActor
 
 	override void Initialize()
 	{
-		self.angle = self.ownerActor.angle;
+		if (self.ownerActor && !self.mapSpawned)
+			self.angle = self.ownerActor.angle;
 		self.pos.Z -= gs.playerheight;
 		self.vel.Z = 1 - frandom(0, 2);
 		self.vel.X = 4 - frandom(0, 8);
diff --git a/wadsrc/static/zscript/games/duke/actors/waterdrip.zs b/wadsrc/static/zscript/games/duke/actors/waterdrip.zs
index 5bfa8f052..009d71a82 100644
--- a/wadsrc/static/zscript/games/duke/actors/waterdrip.zs
+++ b/wadsrc/static/zscript/games/duke/actors/waterdrip.zs
@@ -11,7 +11,7 @@ class DukeWaterDrip : DukeActor
 	override void Initialize()
 	{
 		let owner = self.ownerActor;
-		if (owner && (owner.statnum == STAT_PLAYER || owner.statnum == STAT_ACTOR))
+		if (!self.mapSpawned && owner && (owner.statnum == STAT_PLAYER || owner.statnum == STAT_ACTOR))
 		{
 			self.shade = 32;
 			if (owner.pal != 1)
@@ -53,7 +53,7 @@ class DukeWaterDrip : DukeActor
 				if (self.pal != 2 && (self.hitag == 0 || Raze.isRR()))
 					self.PlayActorSound("SOMETHING_DRIPPING");
 
-				if (self.ownerActor != self)
+				if (!self.mapSpawned)
 				{
 					self.Destroy();
 				}
diff --git a/wadsrc/static/zscript/games/duke/actors/watersplash.zs b/wadsrc/static/zscript/games/duke/actors/watersplash.zs
index 506ab8bf3..7c13784af 100644
--- a/wadsrc/static/zscript/games/duke/actors/watersplash.zs
+++ b/wadsrc/static/zscript/games/duke/actors/watersplash.zs
@@ -11,7 +11,7 @@ class DukeWatersplash : DukeActor
 	{
 		let Owner = self.ownerActor;
 		let sectp = self.sector;
-		if (Owner)
+		if (Owner && !self.mapSpawned)
 		{
 			self.SetPosition(Owner.pos);
 			double s = 0.125 + random(0, 7) * REPEAT_SCALE;
diff --git a/wadsrc/static/zscript/games/duke/dukeactor.zs b/wadsrc/static/zscript/games/duke/dukeactor.zs
index 4c640bca1..98ac6603a 100644
--- a/wadsrc/static/zscript/games/duke/dukeactor.zs
+++ b/wadsrc/static/zscript/games/duke/dukeactor.zs
@@ -230,7 +230,7 @@ class DukeActor : CoreActor native
 	
 	void commonEnemySetup(bool countkill = true)
 	{
-		if (self.ownerActor != self) self.lotag = 0;
+		if (!self.mapSpawned) self.lotag = 0;
 
 		if ((self.lotag > ud.player_skill) || ud.monsters_off == 1)
 		{
@@ -245,7 +245,7 @@ class DukeActor : CoreActor native
 			if (countkill)
 				Duke.GetLocalPlayer().max_actors_killed++;
 
-			if (self.ownerActor != self)
+			if (!self.mapSpawned)
 			{
 				self.timetosleep = 0;
 				self.PlayFTASound();