AnimalTamer already has a getName() method.

src/main/java/com/gmail/nossr50/skills/taming/Taming.java

@@ -1,7 +1,6 @@
 package com.gmail.nossr50.skills.taming;
 
 import org.bukkit.EntityEffect;
-import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.AnimalTamer;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
@@ -71,24 +70,6 @@ public class Taming {
         wolf.playEffect(EntityEffect.WOLF_HEARTS);
     }
 
-    /**
-     * Get the name of a tameable animal's owner.
-     *
-     * @return the name of the animal's owner
-     */
-    protected static String getOwnerName(Tameable beast) {
-        AnimalTamer tamer = beast.getOwner();
-
-        if (tamer instanceof Player) {
-            return ((Player) tamer).getName();
-        }
-        else if (tamer instanceof OfflinePlayer) {
-            return ((OfflinePlayer) tamer).getName();
-        }
-
-        return "Unknown Master";
-    }
-
     protected static String getCallOfTheWildFailureMessage(EntityType type) {
         switch (type) {
             case OCELOT:

src/main/java/com/gmail/nossr50/skills/taming/TamingManager.java

@@ -133,7 +133,7 @@ public class TamingManager extends SkillManager {
         String message = LocaleLoader.getString("Combat.BeastLore") + " ";
 
         if (beast.isTamed()) {
-            message = message.concat(LocaleLoader.getString("Combat.BeastLoreOwner", Taming.getOwnerName(beast)) + " ");
+            message = message.concat(LocaleLoader.getString("Combat.BeastLoreOwner", beast.getOwner().getName()) + " ");
         }
 
         message = message.concat(LocaleLoader.getString("Combat.BeastLoreHealth", target.getHealth(), target.getMaxHealth()));