diff --git a/src/dehacked.c b/src/dehacked.c
index 4b4922aaf..e1862ef85 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -6030,7 +6030,6 @@ static const char *const STATE_LIST[] = { // array length left dynamic for sanit
 	"S_WALLVINE_LONG",
 	"S_WALLVINE_SHORT",
 
-	// Glaregoyles
 	// Glaregoyles
 	"S_GLAREGOYLE",
 	"S_GLAREGOYLE_CHARGE",
@@ -6071,6 +6070,9 @@ static const char *const STATE_LIST[] = { // array length left dynamic for sanit
 	// ATZ's green flame
 	"S_GREENFLAME",
 
+	// ATZ Blue Gargoyle
+	"S_BLUEGARGOYLE",
+
 	// Stalagmites
 	"S_STG0",
 	"S_STG1",
@@ -7826,6 +7828,7 @@ static const char *const MOBJTYPE_LIST[] = {  // array length left dynamic for s
 	"MT_GLAREGOYLELONG",
 	"MT_TARGET",
 	"MT_GREENFLAME",
+	"MT_BLUEGARGOYLE",
 
 	// Stalagmites
 	"MT_STALAGMITE0",
diff --git a/src/info.c b/src/info.c
index 2b1dc6135..fa4b556a6 100644
--- a/src/info.c
+++ b/src/info.c
@@ -2622,6 +2622,9 @@ state_t states[NUMSTATES] =
 	// Green flame
 	{SPR_CFLM, FF_FULLBRIGHT|FF_ANIMATE|FF_RANDOMANIM, -1, {NULL}, 7, 3, S_GREENFLAME}, // S_GREENFLAME
 
+	// ATZ Blue Gargoyle
+	{SPR_BGAR, 3, -1, {NULL}, 0, 0, S_NULL}, // S_BLUEGARGOYLE
+
 	// Stalagmites
 	{SPR_STLG, 0, -1, {NULL}, 0, 0, S_NULL}, // S_STG0
 	{SPR_STLG, 1, -1, {NULL}, 0, 0, S_NULL}, // S_STG1
@@ -13749,6 +13752,33 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL          // raisestate
 	},
 
+	{           // MT_BLUEGARGOYLE
+		1506,           // doomednum
+		S_BLUEGARGOYLE, // spawnstate
+		1000,           // spawnhealth
+		S_NULL,         // seestate
+		sfx_None,       // seesound
+		8,              // reactiontime
+		sfx_None,       // attacksound
+		S_NULL,         // painstate
+		0,              // painchance
+		sfx_None,       // painsound
+		S_NULL,         // meleestate
+		S_NULL,         // missilestate
+		S_NULL,         // deathstate
+		S_NULL,         // xdeathstate
+		sfx_None,       // deathsound
+		21*FRACUNIT,    // speed
+		16*FRACUNIT,    // radius
+		40*FRACUNIT,    // height
+		0,              // display offset
+		100,            // mass
+		1,              // damage
+		sfx_statu2,     // activesound
+		MF_SLIDEME|MF_SOLID|MF_PUSHABLE, // flags
+		S_NULL          // raisestate
+	},
+
 	{           // MT_STALAGMITE0
 		1900,           // doomednum
 		S_STG0,         // spawnstate
diff --git a/src/info.h b/src/info.h
index 612ce0b36..8d407deb8 100644
--- a/src/info.h
+++ b/src/info.h
@@ -2743,6 +2743,9 @@ typedef enum state
 	// ATZ's green flame
 	S_GREENFLAME,
 
+	// ATZ Blue Gargoyle
+	S_BLUEGARGOYLE,
+
 	// Stalagmites
 	S_STG0,
 	S_STG1,
@@ -4521,6 +4524,7 @@ typedef enum mobj_type
 	MT_GLAREGOYLELONG,
 	MT_TARGET, // AKA Red Crystal
 	MT_GREENFLAME,
+	MT_BLUEGARGOYLE,
 
 	// Stalagmites
 	MT_STALAGMITE0,