diff --git a/specification/src/main/java/com/iluwatar/KillerBee.java b/specification/src/main/java/com/iluwatar/KillerBee.java
new file mode 100644
index 000000000..e20e26420
--- /dev/null
+++ b/specification/src/main/java/com/iluwatar/KillerBee.java
@@ -0,0 +1,8 @@
+package com.iluwatar;
+
+public class KillerBee extends AbstractCreature {
+
+	public KillerBee() {
+		super("KillerBee", Size.SMALL, Movement.FLYING, Color.LIGHT);
+	}
+}
diff --git a/specification/src/main/java/com/iluwatar/Shark.java b/specification/src/main/java/com/iluwatar/Shark.java
new file mode 100644
index 000000000..fb4e420b7
--- /dev/null
+++ b/specification/src/main/java/com/iluwatar/Shark.java
@@ -0,0 +1,8 @@
+package com.iluwatar;
+
+public class Shark extends AbstractCreature {
+
+	public Shark() {
+		super("Shark", Size.NORMAL, Movement.SWIMMING, Color.LIGHT);
+	}
+}
diff --git a/specification/src/main/java/com/iluwatar/Troll.java b/specification/src/main/java/com/iluwatar/Troll.java
new file mode 100644
index 000000000..e321d6a9a
--- /dev/null
+++ b/specification/src/main/java/com/iluwatar/Troll.java
@@ -0,0 +1,8 @@
+package com.iluwatar;
+
+public class Troll extends AbstractCreature {
+	
+	public Troll() {
+		super("Troll", Size.LARGE, Movement.WALKING, Color.DARK);
+	}
+}