diff --git a/include/constants/event_objects.h b/include/constants/event_objects.h
index 1d0f5a22e8..63d5f9c733 100644
--- a/include/constants/event_objects.h
+++ b/include/constants/event_objects.h
@@ -295,6 +295,27 @@
 // FALSE: Script collisions unhandled, FLAG_SAFE_FOLLOWER_MOVEMENT off by default
 #define OW_MON_SCRIPT_MOVEMENT TRUE
 
+// If set, the only pokemon allowed to follow you
+// will be those matching species, met location,
+// and/or met level;
+// These accept vars, too: VAR_TEMP_1, etc
+#define OW_MON_ALLOWED_SPECIES (0)
+#define OW_MON_ALLOWED_MET_LVL (0)
+#define OW_MON_ALLOWED_MET_LOC (0)
+// Examples:
+// Yellow Pikachu:
+// #define OW_MON_ALLOWED_SPECIES (SPECIES_PIKACHU)
+// #define OW_MON_ALLOWED_MET_LVL (0)
+// #define OW_MON_ALLOWED_MET_LOC (MAPSEC_PALLET_TOWN)
+// Hoenn Starter:
+// #define OW_MON_ALLOWED_SPECIES (0)
+// #define OW_MON_ALLOWED_MET_LVL (5)
+// #define OW_MON_ALLOWED_MET_LOC (MAPSEC_ROUTE_101)
+// Species set in VAR_XXXX:
+// #define OW_MON_ALLOWED_SPECIES (VAR_XXXX)
+// #define OW_MON_ALLOWED_MET_LVL (0)
+// #define OW_MON_ALLOWED_MET_LOC (0)
+
 #define SHADOW_SIZE_S   0
 #define SHADOW_SIZE_M   1
 #define SHADOW_SIZE_L   2
diff --git a/src/event_object_movement.c b/src/event_object_movement.c
index 5f1b3eba77..6498ceb455 100644
--- a/src/event_object_movement.c
+++ b/src/event_object_movement.c
@@ -1785,8 +1785,16 @@ u8 CreateVirtualObject(u8 graphicsId, u8 virtualObjId, s16 x, s16 y, u8 elevatio
 struct Pokemon *GetFirstLiveMon(void) { // Return address of first conscious party mon or NULL
     u32 i;
     for (i = 0; i < PARTY_SIZE; i++) {
+        struct Pokemon *mon = &gPlayerParty[i];
+        if ((OW_MON_ALLOWED_SPECIES && GetMonData(mon, MON_DATA_SPECIES_OR_EGG) != VarGet(OW_MON_ALLOWED_SPECIES))
+            || (OW_MON_ALLOWED_MET_LVL && GetMonData(mon, MON_DATA_MET_LEVEL) != VarGet(OW_MON_ALLOWED_MET_LVL))
+            || (OW_MON_ALLOWED_MET_LOC && GetMonData(mon, MON_DATA_MET_LOCATION) != VarGet(OW_MON_ALLOWED_MET_LOC))
+        ) {
+            continue;
+        }
+
         if (gPlayerParty[i].hp > 0 && !(gPlayerParty[i].box.isEgg || gPlayerParty[i].box.isBadEgg))
-        return &gPlayerParty[i];
+            return &gPlayerParty[i];
     }
     return NULL;
 }