diff --git a/mappings/net/minecraft/world/biome/DefaultBiomeCreator.mapping b/mappings/net/minecraft/world/biome/OverworldBiomeCreator.mapping
similarity index 97%
rename from mappings/net/minecraft/world/biome/DefaultBiomeCreator.mapping
rename to mappings/net/minecraft/world/biome/OverworldBiomeCreator.mapping
index 84094de1b3..376d84975e 100644
--- a/mappings/net/minecraft/world/biome/DefaultBiomeCreator.mapping
+++ b/mappings/net/minecraft/world/biome/OverworldBiomeCreator.mapping
@@ -1,4 +1,4 @@
-CLASS net/minecraft/class_5478 net/minecraft/world/biome/DefaultBiomeCreator
+CLASS net/minecraft/class_5478 net/minecraft/world/biome/OverworldBiomeCreator
 	METHOD method_30683 createJungle ()Lnet/minecraft/class_1959;
 	METHOD method_30684 createMushroomFields ()Lnet/minecraft/class_1959;
 	METHOD method_30685 createBeach (ZZ)Lnet/minecraft/class_1959;
diff --git a/mappings/net/minecraft/world/biome/TheEndBiomeCreator.mapping b/mappings/net/minecraft/world/biome/TheEndBiomeCreator.mapping
new file mode 100644
index 0000000000..9708670505
--- /dev/null
+++ b/mappings/net/minecraft/world/biome/TheEndBiomeCreator.mapping
@@ -0,0 +1,8 @@
+CLASS net/minecraft/class_6726 net/minecraft/world/biome/TheEndBiomeCreator
+	METHOD method_39140 createEndBarrens ()Lnet/minecraft/class_1959;
+	METHOD method_39141 createEndBiome (Lnet/minecraft/class_5485$class_5495;)Lnet/minecraft/class_1959;
+		ARG 0 builder
+	METHOD method_39142 createTheEnd ()Lnet/minecraft/class_1959;
+	METHOD method_39143 createEndMidlands ()Lnet/minecraft/class_1959;
+	METHOD method_39144 createEndHighlands ()Lnet/minecraft/class_1959;
+	METHOD method_39145 createSmallEndIslands ()Lnet/minecraft/class_1959;
diff --git a/mappings/net/minecraft/world/biome/TheNetherBiomeCreator.mapping b/mappings/net/minecraft/world/biome/TheNetherBiomeCreator.mapping
new file mode 100644
index 0000000000..8797307b12
--- /dev/null
+++ b/mappings/net/minecraft/world/biome/TheNetherBiomeCreator.mapping
@@ -0,0 +1,6 @@
+CLASS net/minecraft/class_6727 net/minecraft/world/biome/TheNetherBiomeCreator
+	METHOD method_39146 createNetherWastes ()Lnet/minecraft/class_1959;
+	METHOD method_39147 createSoulSandValley ()Lnet/minecraft/class_1959;
+	METHOD method_39148 createBasaltDeltas ()Lnet/minecraft/class_1959;
+	METHOD method_39149 createCrimsonForest ()Lnet/minecraft/class_1959;
+	METHOD method_39150 createWarpedForest ()Lnet/minecraft/class_1959;