diff --git a/Spigot-API-Patches/0090-Player.setPlayerProfile-API.patch b/Spigot-API-Patches/0090-Player.setPlayerProfile-API.patch
new file mode 100644
index 0000000000..c3cea2cb1b
--- /dev/null
+++ b/Spigot-API-Patches/0090-Player.setPlayerProfile-API.patch
@@ -0,0 +1,41 @@
+From dbee4791c374b48bb95668084b14f29c58fda4d6 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Sun, 18 Mar 2018 12:28:55 -0400
+Subject: [PATCH] Player.setPlayerProfile API
+
+This can be useful for changing name or skins after a player has logged in.
+
+diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
+index a882323d..eac8195f 100644
+--- a/src/main/java/org/bukkit/entity/Player.java
++++ b/src/main/java/org/bukkit/entity/Player.java
+@@ -3,6 +3,7 @@ package org.bukkit.entity;
+ import java.net.InetSocketAddress;
+ 
+ import com.destroystokyo.paper.Title;
++import com.destroystokyo.paper.profile.PlayerProfile;
+ import org.bukkit.Achievement;
+ import org.bukkit.ChatColor;
+ import org.bukkit.Effect;
+@@ -1713,6 +1714,18 @@ public interface Player extends HumanEntity, Conversable, CommandSender, Offline
+      *         was {@link org.bukkit.event.player.PlayerResourcePackStatusEvent.Status#SUCCESSFULLY_LOADED}
+      */
+     boolean hasResourcePack();
++
++    /**
++     * Gets a copy of this players profile
++     * @return The players profile object
++     */
++    PlayerProfile getPlayerProfile();
++
++    /**
++     * Changes the PlayerProfile for this player. This will cause all
++     * @param profile
++     */
++    void setPlayerProfile(PlayerProfile profile);
+     // Paper end
+ 
+     // Spigot start
+-- 
+2.16.2
+
diff --git a/Spigot-Server-Patches/0277-Player.setPlayerProfile-API.patch b/Spigot-Server-Patches/0277-Player.setPlayerProfile-API.patch
new file mode 100644
index 0000000000..c72d44beb8
--- /dev/null
+++ b/Spigot-Server-Patches/0277-Player.setPlayerProfile-API.patch
@@ -0,0 +1,92 @@
+From 8e31a909319ac13bcacf35a8cc6c89c05b69c246 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Sun, 18 Mar 2018 12:29:48 -0400
+Subject: [PATCH] Player.setPlayerProfile API
+
+This can be useful for changing name or skins after a player has logged in.
+
+diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
+index 4b82e43a8..35fde8b23 100644
+--- a/src/main/java/net/minecraft/server/EntityHuman.java
++++ b/src/main/java/net/minecraft/server/EntityHuman.java
+@@ -59,7 +59,7 @@ public abstract class EntityHuman extends EntityLiving {
+     protected int bS;
+     protected float bT = 0.02F;
+     private int f;
+-    private final GameProfile g;
++    private GameProfile g; public void setProfile(GameProfile profile) { this.g = profile; } // Paper - OBFHELPER
+     private ItemStack bV;
+     private final ItemCooldown bW;
+     @Nullable
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+index 21631c588..f0e3c2cff 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+@@ -1,6 +1,8 @@
+ package org.bukkit.craftbukkit.entity;
+ 
+ import com.destroystokyo.paper.Title;
++import com.destroystokyo.paper.profile.CraftPlayerProfile;
++import com.destroystokyo.paper.profile.PlayerProfile;
+ import com.google.common.base.Preconditions;
+ import com.google.common.collect.ImmutableSet;
+ import com.google.common.io.BaseEncoding;
+@@ -1092,8 +1094,14 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+         hiddenPlayers.put(player.getUniqueId(), hidingPlugins);
+ 
+         // Remove this player from the hidden player's EntityTrackerEntry
+-        EntityTracker tracker = ((WorldServer) entity.world).tracker;
+         EntityPlayer other = ((CraftPlayer) player).getHandle();
++        // Paper start
++        unregisterPlayer(other);
++    }
++    private void unregisterPlayer(EntityPlayer other) {
++        EntityTracker tracker = ((WorldServer) entity.world).tracker;
++        // Paper end
++
+         EntityTrackerEntry entry = tracker.trackedEntities.get(other.getId());
+         if (entry != null) {
+             entry.clear(getHandle());
+@@ -1134,8 +1142,12 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+         }
+         hiddenPlayers.remove(player.getUniqueId());
+ 
+-        EntityTracker tracker = ((WorldServer) entity.world).tracker;
++        // Paper start
+         EntityPlayer other = ((CraftPlayer) player).getHandle();
++    }
++    private void registerPlayer(EntityPlayer other) {
++        EntityTracker tracker = ((WorldServer) entity.world).tracker;
++        // Paper end
+ 
+         getHandle().playerConnection.sendPacket(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.ADD_PLAYER, other));
+ 
+@@ -1144,6 +1156,25 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+             entry.updatePlayer(getHandle());
+         }
+     }
++    // Paper start
++    private void reregisterPlayer(EntityPlayer player) {
++        if (!hiddenPlayers.containsKey(player.getUniqueID())) {
++            unregisterPlayer(player);
++            registerPlayer(player);
++        }
++    }
++    public void setPlayerProfile(PlayerProfile profile) {
++        EntityPlayer self = getHandle();
++        self.setProfile(CraftPlayerProfile.asAuthlibCopy(profile));
++        List<EntityPlayer> players = server.getServer().getPlayerList().players;
++        for (EntityPlayer player : players) {
++            player.getBukkitEntity().reregisterPlayer(self);
++        }
++    }
++    public PlayerProfile getPlayerProfile() {
++        return CraftPlayerProfile.asBukkitCopy(getHandle().getProfile());
++    }
++    // Paper end
+ 
+     public void removeDisconnectingPlayer(Player player) {
+         hiddenPlayers.remove(player.getUniqueId());
+-- 
+2.16.2
+